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CVE-2024-7524

Publication date 6 August 2024

Last updated 2 September 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

6.1 · Medium

Score breakdown

Firefox adds web-compatibility shims in place of some tracking scripts blocked by Enhanced Tracking Protection. On a site protected by Content Security Policy in "strict-dynamic" mode, an attacker able to inject an HTML element could have used a DOM Clobbering attack on some of the shims and achieved XSS, bypassing the CSP strict-dynamic protection. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, and Firefox ESR < 128.1.

Read the notes from the security team

Status

Package Ubuntu Release Status
firefox 24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal
Fixed 129.0.1+build1-0ubuntu0.20.04.1
mozjs102 24.04 LTS noble Ignored
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
mozjs115 24.04 LTS noble Ignored
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
mozjs38 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic
Needs evaluation
mozjs52 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
18.04 LTS bionic Ignored
mozjs68 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
mozjs78 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
mozjs91 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
thunderbird 24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected

Notes

mdeslaur

mozjs* contain a copy of the SpiderMonkey JavaScript engine. It is not feasible to backport security fixes to the mozjs* packages, as such, marking them as ignored. starting with Ubuntu 22.04, the firefox package is just a script that installs the Firefox snap starting with Ubuntu 24.04, the thunderbird package is just a script that installs the Thunderbird snap

Severity score breakdown

Parameter Value
Base score 6.1 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Changed
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N