KaraZajac
70972e0c9d
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The module built the right EDITOR="helper -- /etc/passwd" injection but failed
two ways, both now fixed (VM-verified root on Ubuntu 22.04.0 / sudo
1.9.9-1ubuntu2):
1. Writable-CWD guard: sudoedit refuses to edit any file whose parent dir is
user-writable. The injected "--" is resolved relative to CWD, so running
from home/tmp made sudoedit abort "--: editing files in a writable
directory" before the editor ran. Fix: chdir("/") in the sudoedit child.
2. Wrong tmp copy: sudoedit hands the editor one tmp copy per file, named
<basename>.XXXXXX. The helper wrote argv[argc-1] — the sudoers-authorized
COVER file (e.g. motd), not the target. Fix: the helper now matches the
target's basename prefix (passed via SKEL_TARGET) to pick the right copy.
Result: /etc/passwd gains a skel::0:0 row; `su skel` -> uid=0(root).
docs/EXPLOITED.md + VERIFICATIONS.jsonl updated. Unit harness green.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0118iUgHY44hdRtANgyCmu7y
52 lines
14 KiB
JSON
52 lines
14 KiB
JSON
{"module":"pwnkit","verified_at":"2026-05-23T19:26:02Z","host_kernel":"5.4.0-169-generic","host_distro":"Ubuntu 20.04.6 LTS","vm_box":"generic/ubuntu2004","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"cgroup_release_agent","verified_at":"2026-05-23T19:32:07Z","host_kernel":"5.10.0-27-amd64","host_distro":"Debian GNU/Linux 11 (bullseye)","vm_box":"generic/debian11","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"netfilter_xtcompat","verified_at":"2026-05-23T19:33:56Z","host_kernel":"5.10.0-27-amd64","host_distro":"Debian GNU/Linux 11 (bullseye)","vm_box":"generic/debian11","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"fuse_legacy","verified_at":"2026-05-23T19:35:49Z","host_kernel":"5.10.0-27-amd64","host_distro":"Debian GNU/Linux 11 (bullseye)","vm_box":"generic/debian11","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"dirty_pipe","verified_at":"2026-05-23T19:43:04Z","host_kernel":"5.15.0-91-generic","host_distro":"Ubuntu 22.04.3 LTS","vm_box":"generic/ubuntu2204","expect_detect":"VULNERABLE","actual_detect":"OK","status":"MISMATCH"}
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{"module":"dirty_pipe","verified_at":"2026-05-23T19:44:38Z","host_kernel":"5.15.0-91-generic","host_distro":"Ubuntu 22.04.3 LTS","vm_box":"generic/ubuntu2204","expect_detect":"OK","actual_detect":"OK","status":"match"}
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{"module":"entrybleed","verified_at":"2026-05-23T19:50:32Z","host_kernel":"5.15.0-91-generic","host_distro":"Ubuntu 22.04.3 LTS","vm_box":"generic/ubuntu2204","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"overlayfs","verified_at":"2026-05-23T19:52:09Z","host_kernel":"5.4.0-169-generic","host_distro":"Ubuntu 20.04.6 LTS","vm_box":"generic/ubuntu2004","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"overlayfs_setuid","verified_at":"2026-05-23T19:54:09Z","host_kernel":"5.15.0-91-generic","host_distro":"Ubuntu 22.04.3 LTS","vm_box":"generic/ubuntu2204","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"sudoedit_editor","verified_at":"2026-05-23T19:56:04Z","host_kernel":"5.15.0-91-generic","host_distro":"Ubuntu 22.04.3 LTS","vm_box":"generic/ubuntu2204","expect_detect":"VULNERABLE","actual_detect":"PRECOND_FAIL","status":"MISMATCH"}
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{"module":"nft_fwd_dup","verified_at":"2026-05-23T19:57:46Z","host_kernel":"5.10.0-27-amd64","host_distro":"Debian GNU/Linux 11 (bullseye)","vm_box":"generic/debian11","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"ptrace_traceme","verified_at":"2026-05-23T19:59:24Z","host_kernel":"4.15.0-213-generic","host_distro":"Ubuntu 18.04.6 LTS","vm_box":"generic/ubuntu1804","expect_detect":"VULNERABLE","actual_detect":"?","status":"MISMATCH"}
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{"module":"sudo_samedit","verified_at":"2026-05-23T20:00:52Z","host_kernel":"4.15.0-213-generic","host_distro":"Ubuntu 18.04.6 LTS","vm_box":"generic/ubuntu1804","expect_detect":"VULNERABLE","actual_detect":"?","status":"MISMATCH"}
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{"module":"af_packet","verified_at":"2026-05-23T20:02:23Z","host_kernel":"4.15.0-213-generic","host_distro":"Ubuntu 18.04.6 LTS","vm_box":"generic/ubuntu1804","expect_detect":"VULNERABLE","actual_detect":"?","status":"MISMATCH"}
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{"module":"pack2theroot","verified_at":"2026-05-23T20:04:20Z","host_kernel":"6.1.0-17-amd64","host_distro":"Debian GNU/Linux 12 (bookworm)","vm_box":"generic/debian12","expect_detect":"VULNERABLE","actual_detect":"OK","status":"MISMATCH"}
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{"module":"cls_route4","verified_at":"2026-05-23T20:13:16Z","host_kernel":"5.15.0-43-generic","host_distro":"Ubuntu 20.04.6 LTS","vm_box":"generic/ubuntu2004","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"nft_payload","verified_at":"2026-05-23T20:15:45Z","host_kernel":"5.15.0-43-generic","host_distro":"Ubuntu 20.04.6 LTS","vm_box":"generic/ubuntu2004","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"af_packet2","verified_at":"2026-05-23T20:18:13Z","host_kernel":"5.4.0-169-generic","host_distro":"Ubuntu 20.04.6 LTS","vm_box":"generic/ubuntu2004","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"sequoia","verified_at":"2026-05-23T20:20:38Z","host_kernel":"5.4.0-169-generic","host_distro":"Ubuntu 20.04.6 LTS","vm_box":"generic/ubuntu2004","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"ptrace_traceme","verified_at":"2026-05-23T20:23:07Z","host_kernel":"4.15.0-213-generic","host_distro":"Ubuntu 18.04.6 LTS","vm_box":"generic/ubuntu1804","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"sudo_samedit","verified_at":"2026-05-23T20:23:51Z","host_kernel":"4.15.0-213-generic","host_distro":"Ubuntu 18.04.6 LTS","vm_box":"generic/ubuntu1804","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"af_packet","verified_at":"2026-05-23T20:24:35Z","host_kernel":"4.15.0-213-generic","host_distro":"Ubuntu 18.04.6 LTS","vm_box":"generic/ubuntu1804","expect_detect":"VULNERABLE","actual_detect":"OK","status":"MISMATCH"}
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{"module":"pack2theroot","verified_at":"2026-05-23T20:25:19Z","host_kernel":"6.1.0-17-amd64","host_distro":"Debian GNU/Linux 12 (bookworm)","vm_box":"generic/debian12","expect_detect":"VULNERABLE","actual_detect":"PRECOND_FAIL","status":"MISMATCH"}
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{"module":"sudoedit_editor","verified_at":"2026-05-23T20:26:02Z","host_kernel":"5.15.0-91-generic","host_distro":"Ubuntu 22.04.3 LTS","vm_box":"generic/ubuntu2204","expect_detect":"PRECOND_FAIL","actual_detect":"PRECOND_FAIL","status":"match"}
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{"module":"af_packet","verified_at":"2026-05-23T20:27:39Z","host_kernel":"4.15.0-213-generic","host_distro":"Ubuntu 18.04.6 LTS","vm_box":"generic/ubuntu1804","expect_detect":"OK","actual_detect":"OK","status":"match"}
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{"module":"pack2theroot","verified_at":"2026-05-23T20:28:23Z","host_kernel":"6.1.0-17-amd64","host_distro":"Debian GNU/Linux 12 (bookworm)","vm_box":"generic/debian12","expect_detect":"PRECOND_FAIL","actual_detect":"PRECOND_FAIL","status":"match"}
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{"module":"nf_tables","verified_at":"2026-05-23T21:22:59Z","host_kernel":"5.15.5-051505-generic","host_distro":"Ubuntu 22.04.3 LTS","vm_box":"generic/ubuntu2204","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"af_unix_gc","verified_at":"2026-05-23T21:27:13Z","host_kernel":"5.15.5-051505-generic","host_distro":"Ubuntu 22.04.3 LTS","vm_box":"generic/ubuntu2204","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"nft_set_uaf","verified_at":"2026-05-23T21:30:41Z","host_kernel":"5.15.5-051505-generic","host_distro":"Ubuntu 22.04.3 LTS","vm_box":"generic/ubuntu2204","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"stackrot","verified_at":"2026-05-23T21:34:12Z","host_kernel":"6.1.10-060110-generic","host_distro":"Ubuntu 22.04.3 LTS","vm_box":"generic/ubuntu2204","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"sudo_chwoot","verified_at":"2026-05-24T02:39:11Z","host_kernel":"5.15.0-91-generic","host_distro":"Ubuntu 22.04.3 LTS","vm_box":"generic/ubuntu2204","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"udisks_libblockdev","verified_at":"2026-05-24T02:44:17Z","host_kernel":"6.1.0-17-amd64","host_distro":"Debian GNU/Linux 12 (bookworm)","vm_box":"generic/debian12","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"nft_pipapo","verified_at":"2026-05-24T03:27:10Z","host_kernel":"5.15.5-051505-generic","host_distro":"Ubuntu 22.04.3 LTS","vm_box":"generic/ubuntu2204","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"sudo_runas_neg1","verified_at":"2026-05-24T03:29:18Z","host_kernel":"4.15.0-213-generic","host_distro":"Ubuntu 18.04.6 LTS","vm_box":"generic/ubuntu1804","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"tioscpgrp","verified_at":"2026-05-24T03:31:08Z","host_kernel":"5.4.0-26-generic","host_distro":"Ubuntu 20.04.6 LTS","vm_box":"generic/ubuntu2004","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"dirtydecrypt","verified_at":"2026-05-24T05:16:27Z","host_kernel":"6.19.7-061907-generic","host_distro":"Ubuntu 22.04.3 LTS","vm_box":"generic/ubuntu2204","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"refluxfs","verified_at":"2026-07-23T21:45:28Z","host_kernel":"5.14.0-687.10.1.el9_8.0.1.x86_64","host_distro":"Rocky Linux 9.8 (Blue Onyx)","vm_box":"rocky9-genericcloud/qemu-kvm","expect_detect":"VULNERABLE","actual_detect":"VULNERABLE","status":"match"}
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{"module":"overlayfs","verified_at":"2026-07-23T00:00:00Z","host_kernel":"5.4.0-26-generic","host_distro":"Ubuntu 20.04 LTS (frozen 20200423)","vm_box":"ubuntu2004-cloudimg/qemu-kvm","verified_kind":"exploit","exploit_result":"EXPLOIT_OK","root_witness":"uid=0(root); wrote /root/","status":"root"}
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{"module":"pwnkit","verified_at":"2026-07-23T00:00:00Z","host_kernel":"5.4.0-26-generic","host_distro":"Ubuntu 20.04 LTS (frozen 20200423)","vm_box":"ubuntu2004-cloudimg/qemu-kvm","verified_kind":"exploit","exploit_result":"EXPLOIT_OK","root_witness":"uid=0(root); wrote /root/ (after gconv-layout fix)","status":"root"}
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{"module":"sudo_samedit","verified_at":"2026-07-23T00:00:00Z","host_kernel":"5.4.0-26-generic","host_distro":"Ubuntu 20.04 LTS (frozen 20200423), sudo 1.8.31","vm_box":"ubuntu2004-cloudimg/qemu-kvm","verified_kind":"exploit","exploit_result":"EXPLOIT_FAIL","root_witness":"none — honest fail (heap not landed)","status":"exploit_fail_honest"}
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{"module":"cgroup_release_agent","verified_at":"2026-07-23T00:00:00Z","host_kernel":"5.4.0-26-generic","host_distro":"Ubuntu 20.04 LTS (frozen 20200423)","vm_box":"ubuntu2004-cloudimg/qemu-kvm","verified_kind":"exploit","exploit_result":"EXPLOIT_FAIL","root_witness":"none — honest fail (cgroup/userns precondition on this host)","status":"exploit_fail_honest"}
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{"module":"dirty_pipe","verified_at":"2026-07-23T00:00:00Z","host_kernel":"5.4.0-26-generic","host_distro":"Ubuntu 20.04 LTS (frozen 20200423)","vm_box":"ubuntu2004-cloudimg/qemu-kvm","verified_kind":"detect","expect_detect":"OK","actual_detect":"OK","root_witness":"n/a — 5.4 predates the bug (5.8), correctly not-vulnerable","status":"match"}
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{"module":"overlayfs_setuid","verified_at":"2026-07-23T00:00:00Z","host_kernel":"5.15.0-25-generic","host_distro":"Ubuntu 22.04.0 (frozen, genuinely vuln - predates Ubuntu 5.15.0-70 fix)","vm_box":"ubuntu2204-cloudimg/qemu-kvm","verified_kind":"exploit","exploit_result":"EXPLOIT_FAIL","root_witness":"none - module technique broken (chown merged carrier: EPERM); needs CVE-2023-0386 FUSE copy-up PoC port","status":"needs_fix"}
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{"module":"dirty_pipe","verified_at":"2026-07-23T00:00:00Z","host_kernel":"5.15.0-25-generic","host_distro":"Ubuntu 22.04.0 (frozen)","vm_box":"ubuntu2204-cloudimg/qemu-kvm","verified_kind":"exploit","exploit_result":"EXPLOIT_FAIL","root_witness":"none - kernel 5.15.0-25.25 likely carries Ubuntu backported fix (USN-5317); detect is version-blind. Needs a pre-fix kernel to verify exploit","status":"inconclusive_backport"}
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{"module":"ptrace_traceme","verified_at":"2026-07-23T00:00:00Z","host_kernel":"4.15.0-50-generic","host_distro":"Ubuntu 18.04.2 (frozen, genuinely vuln - pre 4.15.0-58 fix)","vm_box":"ubuntu1804-cloudimg/qemu-kvm","verified_kind":"exploit","exploit_result":"EXPLOIT_OK(FALSE)","root_witness":"NONE - false positive. PTRACE_ATTACH to parent(1) EPERM, wrong technique; reports OK via exec-transfer. Needs CVE-2019-13272 PoC port","status":"false_positive"}
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{"module":"sudo_samedit","verified_at":"2026-07-23T00:00:00Z","host_kernel":"4.15.0-50-generic","host_distro":"Ubuntu 18.04.2, sudo 1.8.21p2","vm_box":"ubuntu1804-cloudimg/qemu-kvm","verified_kind":"exploit","exploit_result":"EXPLOIT_FAIL","root_witness":"none - honest fail (heap not landed on this libc)","status":"exploit_fail_honest"}
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{"module":"sudo_runas_neg1","verified_at":"2026-07-23T00:00:00Z","host_kernel":"4.15.0-50-generic","host_distro":"Ubuntu 18.04.2, sudo 1.8.21p2 + sudoers (ALL,!root) rule","vm_box":"ubuntu1804-cloudimg/qemu-kvm","verified_kind":"exploit","exploit_result":"EXPLOIT_OK","root_witness":"uid=0(root) via sudo -u#-1; module popped root shell","status":"root"}
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{"module":"cgroup_release_agent","verified_at":"2026-07-24T00:00:00Z","host_kernel":"5.4.0-26-generic","host_distro":"Ubuntu 20.04.0","vm_box":"ubuntu2004-cloudimg/qemu-kvm","verified_kind":"exploit","exploit_result":"EXPLOIT_FAIL","root_witness":"none - fixed 2 real bugs (uid_map read post-unshare; missing CLONE_NEWCGROUP). Now sets up userns+cgroupns+mount correctly, but on stock systemd host ALL v1 controllers are pre-mounted (release_agent init-owned=EACCES) and named-hierarchy mount is EPERM. Reachable only in a container context (CAP_SYS_ADMIN / ownable cgroup). Environmental, not a module bug.","status":"env_limited_after_fix"}
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{"module":"overlayfs_setuid","verified_at":"2026-07-24T00:00:00Z","host_kernel":"5.15.0-25-generic","host_distro":"Ubuntu 22.04.0 (genuinely vuln)","vm_box":"ubuntu2204-cloudimg/qemu-kvm","verified_kind":"exploit","exploit_result":"EXPLOIT_FAIL","root_witness":"none - non-FUSE chown copy-up gives uid=1000 not root; FUSE-lower overlay mount is ENOSYS in userns. Needs fusermount-in-init-ns FUSE port. Raw /dev/fuse attempt reverted.","status":"needs_fuse_port"}
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{"module":"sudoedit_editor","verified_at":"2026-07-24T00:00:00Z","host_kernel":"5.15.0-25-generic","host_distro":"Ubuntu 22.04.0, sudo 1.9.9 + sudoers sudoedit grant","vm_box":"ubuntu2204-cloudimg/qemu-kvm","verified_kind":"exploit","exploit_result":"EXPLOIT_FAIL","root_witness":"none - SUDO_EDITOR/-- injection hits sudoedit writable-dir guard; needs target-file tuning + module debug. Structural, tractable.","status":"needs_debug"}
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{"module":"sudoedit_editor","verified_at":"2026-07-24T00:00:00Z","host_kernel":"5.15.0-25-generic","host_distro":"Ubuntu 22.04.0, sudo 1.9.9-1ubuntu2 + sudoers sudoedit grant","vm_box":"ubuntu2204-cloudimg/qemu-kvm","verified_kind":"exploit","exploit_result":"EXPLOIT_OK","root_witness":"uid=0(root) via su skel; /etc/passwd gained skel::0:0 (after 2 fixes: chdir / + helper basename match)","status":"root"}
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