Heap-based buffer overflow in Mozilla products - CVE-2010-3765

Vulnerability details

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

The vulnerability exists due to boundary error within nsCSSFrameConstructor::ContentAppended. A remote attacker can create a specially crafted web page containing specially crafted document.write and appendChild calls, cause heap-based buffer overflow and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of this vulnerability may allow an attacker to compromise vulnerable system.

Note: this vulnerability is being actively exploited.

Affected software

How to mitigate CVE-2010-3765

• Firefox 3.5.15
• Firefox 3.6.12
• SeaMonkey 2.0.10
• Thunderbird 3.0.10
• Thunderbird 3.1.6

Links to Public Exploits and PoC-codes

• Exploit #984 - Mozilla Firefox - Interleaving document.write and appendChild Exploit (Metasploit) (March 18, 2020)
• Exploit #985 - Mozilla Firefox 3.6.8 < 3.6.11 - Interleaving document.write and appendChild Exploit (From the Wild) (March 18, 2020)
• Exploit #986 - Mozilla Firefox - Memory Corruption PoC (Simplified) (March 18, 2020)
• Exploit #987 - Mozilla Firefox - Interleaving document.write and appendChild Denial of Service (March 18, 2020)
• Exploit #1689 - Mozilla Firefox Interleaved document.write/appendChild Memory Corruption (March 18, 2020)

External References

• https://bugzilla.mozilla.org/show_bug.cgi?id=607222
• https://www.mozilla.org/en-US/security/advisories/mfsa2010-73/

Related Security Bulletins

• Remote code execution in Mozilla Firefox
• Ubuntu update for Xulrunner
• Ubuntu update for Thunderbird
• Ubuntu update for Firefox
• Red Hat update for thunderbird
• Red Hat update for xulrunner