CVE-2020-6797

NameCVE-2020-6797
DescriptionBy downloading a file with the .fileloc extension, a semi-privileged extension could launch an arbitrary application on the user's computer. The attacker is restricted as they are unable to download non-quarantined files or supply command line arguments to the application, limiting the impact. Note: this issue only occurs on Mac OSX. Other operating systems are unaffected. This vulnerability affects Thunderbird < 68.5, Firefox < 73, and Firefox < ESR68.5.
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)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid79.0-1fixed
firefox-esr (PTS)stretch68.10.0esr-1~deb9u1fixed
stretch (security)68.11.0esr-1~deb9u1fixed
buster68.10.0esr-1~deb10u1fixed
buster (security)68.11.0esr-1~deb10u1fixed
bullseye, sid68.11.0esr-1fixed
thunderbird (PTS)stretch1:68.10.0-1~deb9u1fixed
stretch (security)1:68.11.0-1~deb9u1fixed
buster1:68.10.0-1~deb10u1fixed
buster (security)1:68.11.0-1~deb10u1fixed
bullseye, sid1:68.11.0-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)(not affected)
firefox-esrsource(unstable)(not affected)
thunderbirdsource(unstable)(not affected)

Notes

- firefox <not-affected> (Only affects Mac OSX)
- firefox-esr <not-affected> (Only affects Mac OSX)
- thunderbird <not-affected> (Only affects Mac OSX)
https://www.mozilla.org/en-US/security/advisories/mfsa2020-05/#CVE-2020-6797
https://www.mozilla.org/en-US/security/advisories/mfsa2020-06/#CVE-2020-6797
https://www.mozilla.org/en-US/security/advisories/mfsa2020-07/#CVE-2020-6797

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