CVE-2020-15664

NameCVE-2020-15664
DescriptionBy holding a reference to the eval() function from an about:blank window, a malicious webpage could have gained access to the InstallTrigger object which would allow them to prompt the user to install an extension. Combined with user confusion, this could result in an unintended or malicious extension being installed. This vulnerability affects Firefox < 80, Thunderbird < 78.2, Thunderbird < 68.12, Firefox ESR < 68.12, Firefox ESR < 78.2, and Firefox for Android < 80.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-2346-1, DLA-2360-1, DSA-4749-1, DSA-4754-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid90.0-1fixed
firefox-esr (PTS)stretch68.10.0esr-1~deb9u1vulnerable
stretch (security)78.12.0esr-1~deb9u1fixed
buster78.11.0esr-1~deb10u1fixed
buster (security)78.12.0esr-1~deb10u1fixed
bullseye, sid78.12.0esr-1fixed
thunderbird (PTS)stretch1:68.10.0-1~deb9u1vulnerable
stretch (security)1:78.12.0-1~deb9u1fixed
buster1:78.6.0-1~deb10u1fixed
buster (security)1:78.12.0-1~deb10u1fixed
bullseye, sid1:78.12.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)80.0-1
firefox-esrsourcestretch68.12.0esr-1~deb9u1DLA-2346-1
firefox-esrsourcebuster68.12.0esr-1~deb10u1DSA-4749-1
firefox-esrsource(unstable)68.12.0esr-1
thunderbirdsourcestretch1:68.12.0-1~deb9u1DLA-2360-1
thunderbirdsourcebuster1:68.12.0-1~deb10u1DSA-4754-1
thunderbirdsource(unstable)1:68.12.0-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2020-36/#CVE-2020-15664
https://www.mozilla.org/en-US/security/advisories/mfsa2020-37/#CVE-2020-15664
https://www.mozilla.org/en-US/security/advisories/mfsa2020-40/#CVE-2020-15664

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