CVE-2019-15692

NameCVE-2019-15692
DescriptionTigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow. Vulnerability could be triggered from CopyRectDecoder due to incorrect value checks. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium
Debian Bugs947428

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tigervnc (PTS)stretch1.7.0+dfsg-7+deb9u1fixed
buster1.9.0+dfsg-3+deb10u1fixed
bullseye, sid1.10.1+dfsg-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tigervncsource(unstable)1.10.1+dfsg-1947428
tigervncsourcebuster1.9.0+dfsg-3+deb10u1
tigervncsourcestretch1.7.0+dfsg-7+deb9u1

Notes

https://www.openwall.com/lists/oss-security/2019/12/20/2
https://github.com/TigerVNC/tigervnc/commit/996356b6c65ca165ee1ea46a571c32a1dc3c3821 (master)
https://github.com/TigerVNC/tigervnc/commit/ff08ca78b24b5a4ed5263245c7ce8744059ff4ad (v1.10.1)

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