Remote code execution in Mozilla Firefox and Firefox ESR



Published: 2021-02-05
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Mozilla Firefox
Client/Desktop applications / Web browsers

Firefox ESR
Client/Desktop applications / Web browsers

Vendor Mozilla

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU50378

Risk: High

CVSSv3.1:

CVE-ID: N/A

CWE-ID:

Exploit availability:

Description

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

The vulnerability exists due to a boundary error withing the Angle graphics library when calculating depth pitch for compressed textures. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 60.0 - 85.0

Firefox ESR: 60.0 - 78.7.0

Fixed software versions

CPE2.3 External links

http://www.mozilla.org/en-US/security/advisories/mfsa2021-06/
http://bugzilla.mozilla.org/show_bug.cgi?id=1676636


Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?



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