CVE-2019-15680

NameCVE-2019-15680
DescriptionTightVNC code version 1.3.10 contains null pointer dereference in HandleZlibBPP function, which results Denial of System (DoS). 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)
ReferencesDLA-2045-1
NVD severitymedium
Debian Bugs945364

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
italc (PTS)stretch1:3.0.3+dfsg1-1+deb9u1vulnerable
libvncserver (PTS)stretch0.9.11+dfsg-1.3~deb9u4vulnerable
stretch (security)0.9.11+dfsg-1.3~deb9u1vulnerable
buster0.9.11+dfsg-1.3+deb10u3vulnerable
bullseye, sid0.9.13+dfsg-1vulnerable
tightvnc (PTS)stretch1:1.3.9-9+deb9u1fixed
buster1:1.3.9-9+deb10u1fixed
bullseye, sid1:1.3.9-10fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
italcsource(unstable)(unfixed)unimportant
libvncserversource(unstable)(unfixed)unimportant
tightvncsourcejessie1.3.9-6.5+deb8u1DLA-2045-1
tightvncsourcestretch1:1.3.9-9+deb9u1
tightvncsourcebuster1:1.3.9-9deb10u1
tightvncsource(unstable)1:1.3.9-9.1unimportant945364

Notes

https://www.openwall.com/lists/oss-security/2018/12/10/5
https://github.com/sunweaver/libvncserver/commit/85d00057b5daf71675462c9b175d8cb2d47cd0e1
Non-issue in libvncserver's case: https://github.com/LibVNC/libvncserver/issues/359#issuecomment-599202068

Search for package or bug name: Reporting problems