CVE-2021-29948

NameCVE-2021-29948
DescriptionSignatures are written to disk before and read during verification, which might be subject to a race condition when a malicious local process or user is replacing the file. This vulnerability affects Thunderbird < 78.10.
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-2632-1, DSA-4897-1
NVD severitylow

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
thunderbird (PTS)stretch1:68.10.0-1~deb9u1vulnerable
stretch (security)1:78.12.0-1~deb9u1fixed
buster1:78.6.0-1~deb10u1vulnerable
buster (security)1:78.12.0-1~deb10u1fixed
bullseye, sid1:78.12.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
thunderbirdsourcestretch1:78.10.0-1~deb9u1DLA-2632-1
thunderbirdsourcebuster1:78.10.0-1~deb10u1DSA-4897-1
thunderbirdsource(unstable)1:78.10.0-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2021-14/#CVE-2021-29948

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