CVE-2024-8383

NameCVE-2024-8383
DescriptionFirefox normally asks for confirmation before asking the operating system to find an application to handle a scheme that the browser does not support. It did not ask before doing so for the Usenet-related schemes news: and snews:. Since most operating systems don't have a trusted newsreader installed by default, an unscrupulous program that the user downloaded could register itself as a handler. The website that served the application download could then launch that application at will. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, and Firefox ESR < 115.15.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3869-1, DLA-3882-1, DSA-5765-1, DSA-5767-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid132.0-1fixed
firefox-esr (PTS)jessie, jessie (lts)68.9.0esr-1~deb8u2vulnerable
stretch (security), stretch (lts), stretch91.11.0esr-1~deb9u1vulnerable
buster (security), buster, buster (lts)115.12.0esr-1~deb10u1vulnerable
bullseye115.14.0esr-1~deb11u1vulnerable
bullseye (security)128.4.0esr-1~deb11u1fixed
bookworm115.14.0esr-1~deb12u1vulnerable
bookworm (security)128.4.0esr-1~deb12u1fixed
trixie128.3.1esr-2fixed
sid128.4.0esr-1fixed
thunderbird (PTS)bullseye1:115.12.0-1~deb11u1vulnerable
bullseye (security)1:128.4.0esr-1~deb11u1fixed
bookworm1:115.12.0-1~deb12u1vulnerable
bookworm (security)1:115.16.0esr-1~deb12u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)130.0-1
firefox-esrsourcejessie(unfixed)end-of-life
firefox-esrsourcestretch(unfixed)end-of-life
firefox-esrsourcebuster(unfixed)end-of-life
firefox-esrsourcebullseye115.15.0esr-1~deb11u1DLA-3869-1
firefox-esrsourcebookworm115.15.0esr-1~deb12u1DSA-5765-1
firefox-esrsource(unstable)115.15.0esr-1
thunderbirdsourcebullseye1:115.15.0-1~deb11u1DLA-3882-1
thunderbirdsourcebookworm1:115.15.0-1~deb12u1DSA-5767-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2024-39/#CVE-2024-8383
https://www.mozilla.org/en-US/security/advisories/mfsa2024-41/#CVE-2024-8383

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