Files
SKELETONKEY/modules/vmwgfx_cve_2023_2008
leviathan e13edd0cfd modules: add sudo_samedit + sequoia + sudoedit_editor + vmwgfx
sudo_samedit (CVE-2021-3156): Qualys Baron Samedit, userspace heap
    overflow in sudoedit -s. Version-range detect; Qualys-style trigger
    fork+verify (no per-distro offsets shipped — EXPLOIT_FAIL honest).
  sequoia (CVE-2021-33909): Qualys size_t→int wrap in seq_buf_alloc.
    Userns reach + 5000-level nested tree + bind-mount amplification +
    /proc/self/mountinfo read triggers stack-OOB write. No JIT-spray.
  sudoedit_editor (CVE-2023-22809): Synacktiv EDITOR/VISUAL '--' argv
    escape. Structural exploit — no offsets. Helper-via-sudoedit
    appends 'skel::0:0:' line to /etc/passwd, su to root.
  vmwgfx (CVE-2023-2008): DRM buffer-object OOB write in VMware guests.
    Detect requires DMI VMware + /dev/dri/cardN vmwgfx driver.

All four refuse cleanly on kctf-mgr (patched 6.12.86 / sudo 1.9.16p2).
2026-05-17 01:53:18 -04:00
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