CVE-2019-11748

NameCVE-2019-11748
DescriptionWebRTC in Firefox will honor persisted permissions given to sites for access to microphone and camera resources even when in a third-party context. In light of recent high profile vulnerabilities in other software, a decision was made to no longer persist these permissions. This avoids the possibility of trusted WebRTC resources being invisibly embedded in web content and abusing permissions previously given by users. Users will now be prompted for permissions on each use. This vulnerability affects Firefox < 69 and Firefox ESR < 68.1.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid103.0-1fixed
firefox-esr (PTS)buster78.14.0esr-1~deb10u1fixed
buster (security)91.12.0esr-1~deb10u1fixed
bullseye91.11.0esr-1~deb11u1fixed
bullseye (security)91.12.0esr-1~deb11u1fixed
bookworm91.11.0esr-1fixed
sid91.12.0esr-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)69.0-1
firefox-esrsourcejessie(not affected)
firefox-esrsourcestretch(not affected)
firefox-esrsourcebuster(not affected)
firefox-esrsource(unstable)68.1.0esr-1

Notes

[buster] - firefox-esr <not-affected> (Doesn't affect ESR60)
[stretch] - firefox-esr <not-affected> (Doesn't affect ESR60)
[jessie] - firefox-esr <not-affected> (Doesn't affect ESR60)
https://www.mozilla.org/en-US/security/advisories/mfsa2019-25/#CVE-2019-11748
https://www.mozilla.org/en-US/security/advisories/mfsa2019-26/#CVE-2019-11748

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