Mozilla Firefox up to 127.x memory corruption

Summaryinfo

A vulnerability classified as critical has been found in Mozilla Firefox up to 127.x. This issue affects some unknown processing. This manipulation causes memory corruption. This vulnerability appears as CVE-2024-6604. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Mozilla Firefox up to 127.x. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Memory safety bugs present in Firefox 127, Firefox ESR 115.12, and Thunderbird 115.12. 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. This vulnerability affects Firefox < 128 and Firefox ESR < 115.13.

It is possible to read the advisory at bugzilla.mozilla.org. This vulnerability is known as CVE-2024-6604 since 07/09/2024. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/12/2024).

The vulnerability scanner Nessus provides a plugin with the ID 207803 (Oracle Linux 7 : firefox (ELSA-2024-5324)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 128 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (207803). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Web Browser

Vendor

• Mozilla

Name

• Firefox

Version

• 127

License

• open-source

Website

• Vendor: https://www.mozilla.org/
• Product: https://www.mozilla.org/en-US/firefox/

CPE 2.3info

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CPE 2.2info

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Be aware that VulDB is the high quality source for vulnerability data.

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