CVE-2020-21675

NameCVE-2020-21675
DescriptionA stack-based buffer overflow in the genptk_text component in genptk.c of fig2dev 3.2.7b allows attackers to cause a denial of service (DOS) via converting a xfig file into ptk format.
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-2778-1, ELA-493-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
fig2dev (PTS)stretch1:3.2.6a-2+deb9u3vulnerable
stretch (security)1:3.2.6a-2+deb9u4fixed
buster1:3.2.7a-5+deb10u4fixed
bullseye1:3.2.8-3fixed
sid, bookworm1:3.2.8b-1fixed
transfig (PTS)jessie, jessie (lts)1:3.2.6a-2~deb8u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
fig2devsourcestretch1:3.2.6a-2+deb9u4DLA-2778-1
fig2devsourcebuster1:3.2.7a-5+deb10u3
fig2devsource(unstable)1:3.2.7b-3
transfigsourcejessie1:3.2.6a-2~deb8u1ELA-493-1
transfigsource(unstable)(unfixed)

Notes

https://sourceforge.net/p/mcj/tickets/78/
https://sourceforge.net/p/mcj/fig2dev/ci/41b9bb838a3d544539f6e68aa4f87d70ef7d45ce/ (3.2.8)
[jessie] - transfig <no-dsa> (unimportant; patch very invasive, see renamed package fig2dev)

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