CVE-2020-15652

NameCVE-2020-15652
DescriptionBy observing the stack trace for JavaScript errors in web workers, it was possible to leak the result of a cross-origin redirect. This applied only to content that can be parsed as script. This vulnerability affects Firefox < 79, Firefox ESR < 68.11, Firefox ESR < 78.1, Thunderbird < 68.11, and Thunderbird < 78.1.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2297-1, DLA-2310-1, DSA-4736-1, DSA-4740-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid126.0-1fixed
firefox-esr (PTS)jessie, jessie (lts)68.9.0esr-1~deb8u2vulnerable
stretch (security), stretch (lts), stretch91.11.0esr-1~deb9u1fixed
buster91.12.0esr-1~deb10u1fixed
buster (security)115.11.0esr-1~deb10u1fixed
bullseye115.7.0esr-1~deb11u1fixed
bullseye (security)115.11.0esr-1~deb11u1fixed
bookworm115.7.0esr-1~deb12u1fixed
bookworm (security)115.11.0esr-1~deb12u1fixed
sid, trixie115.11.0esr-1fixed
thunderbird (PTS)jessie, jessie (lts)1:68.9.0-1~deb8u2vulnerable
stretch (security), stretch (lts), stretch1:91.10.0-1~deb9u1fixed
buster1:91.12.0-1~deb10u1fixed
buster (security)1:115.11.0-1~deb10u1fixed
bullseye1:115.7.0-1~deb11u1fixed
bullseye (security)1:115.11.0-1~deb11u1fixed
bookworm1:115.7.0-1~deb12u1fixed
bookworm (security)1:115.11.0-1~deb12u1fixed
sid, trixie1:115.11.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)79.0-1
firefox-esrsourcejessie(unfixed)end-of-life
firefox-esrsourcestretch68.11.0esr-1~deb9u1DLA-2297-1
firefox-esrsourcebuster68.11.0esr-1~deb10u1DSA-4736-1
firefox-esrsource(unstable)68.11.0esr-1
thunderbirdsourcejessie(unfixed)end-of-life
thunderbirdsourcestretch1:68.11.0-1~deb9u1DLA-2310-1
thunderbirdsourcebuster1:68.11.0-1~deb10u1DSA-4740-1
thunderbirdsource(unstable)1:68.11.0-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2020-31/#CVE-2020-15652
https://www.mozilla.org/en-US/security/advisories/mfsa2020-32/#CVE-2020-15652
https://www.mozilla.org/en-US/security/advisories/mfsa2020-33/#CVE-2020-15652
https://www.mozilla.org/en-US/security/advisories/mfsa2020-35/#CVE-2020-15652

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