QID 357363

Date Published: 2024-04-02

QID 357363: Amazon Linux Security Advisory for firefox : ALAS2FIREFOX-2024-023

`appendencodedattributevalue(), extraspaceneededforattrencoding()` and `appendencodedcharacters()` could have experienced integer overflows, causing underallocation of an output buffer leading to an out of bounds write.
This vulnerability affects firefox < 124, firefox esr < 115.9, and thunderbird < 115.9. (
( CVE-2024-2608) using a markup injection an attacker could have stolen nonce values.
This could have been used to bypass strict content security policies.
( CVE-2024-2610) a missing delay on when pointer lock was used could have allowed a malicious page to trick a user into granting permissions.
( CVE-2024-2611) if an attacker could find a way to trigger a particular code path in `saferefptr`, it could have triggered a crash or potentially be leveraged to achieve code execution.
( CVE-2024-2612) memory safety bugs present in firefox 123, firefox esr 115.8, and thunderbird 115.8.
Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.
( CVE-2024-2614) to harden icu against exploitation, the behavior for out-of-memory conditions was changed to crash instead of attempt to continue.
This vulnerability affects firefox esr < 115.9 and thunderbird < 115.9. (
( CVE-2024-2616) an attacker was able to inject an event handler into a privileged object that would allow arbitrary javascript execution in the parent process.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as Critical - 8.6 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
  • Solution
    Please refer to Amazon advisory: ALAS2FIREFOX-2024-023 for affected packages and patching details, or update with your package manager.
    Vendor References
    Software Advisories
    Advisory ID Software Component Link
    ALAS2FIREFOX-2024-023 amazon linux 2 URL Logo alas.aws.amazon.com/AL2/ALASFIREFOX-2024-023.html