CVE-2023-23602

NameCVE-2023-23602
DescriptionA mishandled security check when creating a WebSocket in a WebWorker caused the Content Security Policy connect-src header to be ignored. This could lead to connections to restricted origins from inside WebWorkers. This vulnerability affects Firefox < 109, Thunderbird < 102.7, and Firefox ESR < 102.7.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3275-1, DLA-3324-1, DSA-5322-1, DSA-5355-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid120.0.1-1fixed
firefox-esr (PTS)buster91.12.0esr-1~deb10u1vulnerable
buster (security)115.5.0esr-1~deb10u1fixed
bullseye102.15.0esr-1~deb11u1fixed
bullseye (security)115.5.0esr-1~deb11u1fixed
bookworm102.15.1esr-1~deb12u1fixed
bookworm (security)115.5.0esr-1~deb12u1fixed
sid, trixie115.5.0esr-1fixed
thunderbird (PTS)buster1:91.12.0-1~deb10u1vulnerable
buster (security)1:115.5.0-1~deb10u1fixed
bullseye1:102.13.1-1~deb11u1fixed
bullseye (security)1:115.5.0-1~deb11u1fixed
bookworm1:102.15.1-1~deb12u1fixed
bookworm (security)1:115.5.0-1~deb12u1fixed
sid, trixie1:115.5.1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)109.0-1
firefox-esrsourcebuster102.7.0esr-1~deb10u1DLA-3275-1
firefox-esrsourcebullseye102.7.0esr-1~deb11u1DSA-5322-1
firefox-esrsource(unstable)102.7.0esr-1
thunderbirdsourcebuster1:102.8.0-1~deb10u1DLA-3324-1
thunderbirdsourcebullseye1:102.8.0-1~deb11u1DSA-5355-1
thunderbirdsource(unstable)1:102.7.1-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2023-01/#CVE-2023-23602
https://www.mozilla.org/en-US/security/advisories/mfsa2023-02/#CVE-2023-23602
https://www.mozilla.org/en-US/security/advisories/mfsa2023-03/#CVE-2023-23602

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