CVE-2022-1623

NameCVE-2022-1623
DescriptionLibTIFF master branch has an out-of-bounds read in LZWDecode in libtiff/tif_lzw.c:624, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit b4e79bfa.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
ReferencesDSA-5333-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tiff (PTS)buster4.1.0+git191117-2~deb10u4fixed
buster (security)4.1.0+git191117-2~deb10u6fixed
bullseye4.2.0-1+deb11u1vulnerable
bullseye (security)4.2.0-1+deb11u3fixed
bookworm, sid4.5.0-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tiffsourcebuster(not affected)
tiffsourcebullseye4.2.0-1+deb11u3DSA-5333-1
tiffsource(unstable)4.4.0~rc1-1

Notes

[buster] - tiff <not-affected> (Vulnerable code introduced later, PoCs don't trigger)
https://gitlab.com/libtiff/libtiff/-/commit/b4e79bfa0c7d2d08f6f1e7ec38143fc8cb11394a (v4.4.0rc1)
Introduced by: https://gitlab.com/libtiff/libtiff/-/commit/3079627ea0dee150e6a208cec8381de611bb842b (v4.4.0rc1)
https://gitlab.com/libtiff/libtiff/-/issues/410

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