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CVE-2013-1055

Published: 7 April 2021

The unity-firefox-extension package could be tricked into dropping a C callback which was still in use, which Firefox would then free, causing Firefox to crash. This could be achieved by adding an action to the launcher and updating it with new callbacks until the libunity-webapps rate limit was hit. Fixed in 3.0.0+14.04.20140416-0ubuntu1.14.04.1 of unity-firefox-extension and in all versions of libunity-webapps by shipping an empty unity-firefox-extension package, thus disabling the extension entirely and invalidating the attack against the libunity-webapps package.

Notes

AuthorNote
mdeslaur
plugin was disabled by shipping empty packages

Priority

Low

Cvss 3 Severity Score

4.3

Score breakdown

Status

Package Release Status
unity-firefox-extension
Launchpad, Ubuntu, Debian
lucid Does not exist

precise Does not exist

quantal Ignored
(end of life)
raring Ignored
(end of life)
saucy Ignored
(end of life)
trusty
Released (3.0.0+14.04.20140416-0ubuntu1.14.04.1)
upstream Needs triage

vivid
Released (3.0.0+14.04.20140416-0ubuntu1.15.04.1)
wily Does not exist

Severity score breakdown

Parameter Value
Base score 4.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L