CVE-2020-15677

NameCVE-2020-15677
DescriptionBy exploiting an Open Redirect vulnerability on a website, an attacker could have spoofed the site displayed in the download file dialog to show the original site (the one suffering from the open redirect) rather than the site the file was actually downloaded from. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.
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-2387-1, DLA-2408-1, DSA-4768-1, DSA-4770-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid82.0-1fixed
firefox-esr (PTS)stretch68.10.0esr-1~deb9u1vulnerable
stretch (security)78.4.0esr-1~deb9u1fixed
buster68.12.0esr-1~deb10u1vulnerable
buster (security)78.4.0esr-1~deb10u2fixed
bullseye78.3.0esr-2fixed
sid78.4.0esr-2fixed
thunderbird (PTS)stretch1:68.10.0-1~deb9u1vulnerable
stretch (security)1:78.4.0-1~deb9u1fixed
buster1:68.12.0-1~deb10u1vulnerable
buster (security)1:78.4.0-1~deb10u1fixed
bullseye1:68.12.0-1vulnerable
sid1:78.4.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)81.0-1
firefox-esrsourcestretch78.3.0esr-1~deb9u1DLA-2387-1
firefox-esrsourcebuster78.3.0esr-1~deb10u1DSA-4768-1
firefox-esrsource(unstable)78.3.0esr-1
thunderbirdsourcestretch1:78.3.1-2~deb9u1DLA-2408-1
thunderbirdsourcebuster1:78.3.1-2~deb10u2DSA-4770-1
thunderbirdsource(unstable)1:78.3.1-1

Notes

https://www.mozilla.org/en-US/security/advisories/mfsa2020-42/#CVE-2020-15677
https://www.mozilla.org/en-US/security/advisories/mfsa2020-43/#CVE-2020-15677
https://www.mozilla.org/en-US/security/advisories/mfsa2020-44/#CVE-2020-15677

Search for package or bug name: Reporting problems