CVE-2020-12397

NameCVE-2020-12397
DescriptionBy encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. This vulnerability affects Thunderbird < 68.8.0.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2206-1, DSA-4683-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
thunderbird (PTS)buster1:91.12.0-1~deb10u1fixed
buster (security)1:115.12.0-1~deb10u1fixed
bullseye1:115.7.0-1~deb11u1fixed
bullseye (security)1:115.12.0-1~deb11u1fixed
bookworm1:115.7.0-1~deb12u1fixed
bookworm (security)1:115.12.0-1~deb12u1fixed
sid, trixie1:115.12.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
thunderbirdsourcejessie1:68.8.0-1~deb8u1DLA-2206-1
thunderbirdsourcestretch1:68.8.0-1~deb9u1DSA-4683-1
thunderbirdsourcebuster1:68.8.0-1~deb10u1DSA-4683-1
thunderbirdsource(unstable)1:68.8.0-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2020-18/#CVE-2020-12397

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