CVE-2018-15126

NameCVE-2018-15126
DescriptionLibVNC before commit 73cb96fec028a576a5a24417b57723b55854ad7b contains heap use-after-free vulnerability in server code of file transfer extension that can result remote code execution
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1652-1, DLA-1979-1, DSA-4383-1
Debian Bugs916941

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libvncserver (PTS)bullseye0.9.13+dfsg-2+deb11u1fixed
sid, trixie, bookworm0.9.14+dfsg-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
italcsourcejessie1:2.0.2+dfsg1-2+deb8u1DLA-1979-1
libvncserversourcejessie0.9.9+dfsg2-6.1+deb8u5DLA-1652-1
libvncserversourcestretch0.9.11+dfsg-1.3~deb9u1DSA-4383-1
libvncserversource(unstable)0.9.11+dfsg-1.2916941

Notes

https://github.com/LibVNC/libvncserver/issues/242
Fixed by: https://github.com/LibVNC/libvncserver/commit/162d716b4c095a87aab2261857d583d68e3b3ea6 (merge of fix-#242)
Individual commits:
https://github.com/LibVNC/libvncserver/commit/89419fb1a0cef42b63528e6930f4e545cfef4c95
https://github.com/LibVNC/libvncserver/commit/f8912fee5a58fb3975eda2589f6d4686f0c1ae68
https://github.com/LibVNC/libvncserver/commit/73cb96fec028a576a5a24417b57723b55854ad7b (main part of the fix)
https://github.com/LibVNC/libvncserver/commit/2d939267a176bf4976dbad36399638956ad8cc34
https://github.com/LibVNC/libvncserver/commit/495ffa3f3a213ab058eee1d7da48fa5ef71914d8
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-027-libvnc-heap-use-after-free/

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