Remote code execution in Mozilla Thunderbird



Published: 2023-09-12
Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-4863
CWE-ID CWE-122
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
Subscribe 		Mozilla Thunderbird
Client/Desktop applications / Messaging software

Vendor Mozilla

Security Bulletin

This security bulletin contains one critical risk vulnerability.

1) Heap-based buffer overflow

EUVDB-ID: #VU80637

Risk: Critical

CVSSv3.1:

CVE-ID: CVE-2023-4863

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing WebP images. A remote attacker can trick the victim to visit a malicious website, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system. The vulnerability affects all modern browsers that support WebP image processing.

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Mozilla Thunderbird: 102.0 - 115.2.1

CPE2.3 External links

http://www.mozilla.org/en-US/security/advisories/mfsa2023-40/


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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