SB2012083107 - Heap-based buffer overflow in www.xchat xchat

Description

This security bulletin contains information about 1 security vulnerability.

1) Heap-based buffer overflow (CVE-ID: CVE-2011-5129)

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

The vulnerability exists due to a boundary error in Heap-based buffer overflow in XChat 2.8.9 and earlier. A remote attacker can use a long response string. to trigger 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.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• http://packetstormsecurity.org/files/107312/xchat-dos.txt
• http://www.exploit-db.com/exploits/18159
• http://www.osvdb.org/77629
• http://www.securityfocus.com/bid/50820
• http://www.securitytracker.com/id?1027468