CVE-2018-5129

firefox: A lack of parameter validation on IPC messages results in a potential out-of-bounds write through malformed IPC messages

CVE-2018-5129 is fixed in 12 products on 1 platform, first by thunderbird 1:52.7.0+build1-0ubuntu1, released March 15, 2018. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0304
87th percentile

A lack of parameter validation on IPC messages results in a potential out-of-bounds write through malformed IPC messages. This can potentially allow for sandbox escape through memory corruption in the parent process. This vulnerability affects Thunderbird < 52.7, Firefox ESR < 52.7, and Firefox < 59.

Where it's fixed

ProductFixed inFixReleased
Linux
firefox · Ubuntu 18.04.6 LTS (bionic) 59.0.1+build1-0ubuntu1 firefox 59.0.1+build1-0ubuntu1 Jun 11, 2018
firefox-globalmenu · Ubuntu 18.04.6 LTS (bionic) 59.0.1+build1-0ubuntu1 firefox-globalmenu 59.0.1+build1-0ubuntu1 Jun 11, 2018
firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) 59.0.1+build1-0ubuntu1 firefox-mozsymbols 59.0.1+build1-0ubuntu1 Jun 11, 2018
firefox-testsuite · Ubuntu 18.04.6 LTS (bionic) 59.0.1+build1-0ubuntu1 firefox-testsuite 59.0.1+build1-0ubuntu1 Jun 11, 2018
thunderbird · Ubuntu 18.04.6 LTS (bionic) 1:52.7.0+build1-0ubuntu1 thunderbird 1:52.7.0+build1-0ubuntu1 Mar 15, 2018
thunderbird-globalmenu · Ubuntu 18.04.6 LTS (bionic) 1:52.7.0+build1-0ubuntu1 thunderbird-globalmenu 1:52.7.0+build1-0ubuntu1 Mar 15, 2018
thunderbird-gnome-support · Ubuntu 18.04.6 LTS (bionic) 1:52.7.0+build1-0ubuntu1 thunderbird-gnome-support 1:52.7.0+build1-0ubuntu1 Mar 15, 2018
thunderbird-mozsymbols · Ubuntu 18.04.6 LTS (bionic) 1:52.7.0+build1-0ubuntu1 thunderbird-mozsymbols 1:52.7.0+build1-0ubuntu1 Mar 15, 2018
thunderbird-testsuite · Ubuntu 18.04.6 LTS (bionic) 1:52.7.0+build1-0ubuntu1 thunderbird-testsuite 1:52.7.0+build1-0ubuntu1 Mar 15, 2018
xul-ext-calendar-timezones · Ubuntu 18.04.6 LTS (bionic) 1:52.7.0+build1-0ubuntu1 xul-ext-calendar-timezones 1:52.7.0+build1-0ubuntu1 Mar 15, 2018
xul-ext-gdata-provider · Ubuntu 18.04.6 LTS (bionic) 1:52.7.0+build1-0ubuntu1 xul-ext-gdata-provider 1:52.7.0+build1-0ubuntu1 Mar 15, 2018
xul-ext-lightning · Ubuntu 18.04.6 LTS (bionic) 1:52.7.0+build1-0ubuntu1 xul-ext-lightning 1:52.7.0+build1-0ubuntu1 Mar 15, 2018