CVE-2016-5284

NameCVE-2016-5284
DescriptionMozilla Firefox before 49.0 and Firefox ESR 45.x before 45.4 rely on unintended expiration dates for Preloaded Public Key Pinning, which allows man-in-the-middle attackers to spoof add-on updates by leveraging possession of an X.509 server certificate for addons.mozilla.org signed by an arbitrary built-in Certification Authority.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-636-1, DSA-3674-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid56.0-2fixed
firefox-esr (PTS)wheezy (security)52.4.0esr-2~deb7u1fixed
jessie45.9.0esr-1~deb8u1fixed
jessie (security)52.4.0esr-1~deb8u1fixed
stretch (security), stretch52.4.0esr-1~deb9u1fixed
buster, sid52.4.0esr-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)49.0-1medium
firefox-esrsource(unstable)45.4.0esr-1medium
firefox-esrsourcejessie45.4.0esr-1~deb8u2mediumDSA-3674-1
firefox-esrsourcewheezy45.4.0esr-1~deb7u1mediumDLA-636-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2016-86/
https://www.mozilla.org/en-US/security/advisories/mfsa2016-87/

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