CVE-2020-14405

NameCVE-2020-14405
DescriptionAn issue was discovered in LibVNCServer before 0.9.13. libvncclient/rfbproto.c does not limit TextChat size.
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-2264-1, DLA-2347-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libvncserver (PTS)stretch0.9.11+dfsg-1.3~deb9u4vulnerable
stretch (security)0.9.11+dfsg-1.3~deb9u5fixed
buster0.9.11+dfsg-1.3+deb10u3vulnerable
bullseye, sid0.9.13+dfsg-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libvncserversourcejessie0.9.9+dfsg2-6.1+deb8u8DLA-2264-1
libvncserversourcestretch0.9.11+dfsg-1.3~deb9u5DLA-2347-1
libvncserversource(unstable)0.9.13+dfsg-1

Notes

[buster] - libvncserver <no-dsa> (Minor issue; will be fixed via point release)
https://github.com/LibVNC/libvncserver/commit/8937203441ee241c4ace85da687b7d6633a12365

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