CVE-2022-40958

NameCVE-2022-40958
DescriptionBy injecting a cookie with certain special characters, an attacker on a shared subdomain which is not a secure context could set and thus overwrite cookies from a secure context, leading to session fixation and other attacks. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3121-1, DLA-3123-1, DSA-5237-1, DSA-5238-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid128.0-1fixed
firefox-esr (PTS)bullseye115.12.0esr-1~deb11u1fixed
bullseye (security)115.13.0esr-1~deb11u1fixed
bookworm115.12.0esr-1~deb12u1fixed
bookworm (security)115.13.0esr-1~deb12u1fixed
trixie115.12.0esr-1fixed
sid115.13.0esr-1fixed
thunderbird (PTS)bullseye (security), bullseye1:115.12.0-1~deb11u1fixed
bookworm, 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
firefoxsource(unstable)105.0-1
firefox-esrsourcebuster102.3.0esr-1~deb10u2DLA-3121-1
firefox-esrsourcebullseye102.3.0esr-1~deb11u1DSA-5237-1
firefox-esrsource(unstable)102.3.0esr-1
thunderbirdsourcebuster1:102.3.0-1~deb10u1DLA-3123-1
thunderbirdsourcebullseye1:102.3.0-1~deb11u1DSA-5238-1
thunderbirdsource(unstable)1:102.3.0-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2022-40/#CVE-2022-40958
https://www.mozilla.org/en-US/security/advisories/mfsa2022-41/#CVE-2022-40958
https://www.mozilla.org/en-US/security/advisories/mfsa2022-42/#CVE-2022-40958

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