Stack-based buffer overflow in mIRC 6.34 allows remote attackers to execute arbitrary code via a long hostname in a PRIVMSG message.

Exploit prediction (EPSS)

38.74% probability of exploitation in the next 30 days, higher than 99% of all scored CVEs.

Exploits and detections

• Metasploit exploit/windows/misc/mirc_privmsg_server mIRC PRIVMSG Handling Stack Buffer Overflow · metasploit exploit, normal rank · 2008-10-02
• EDB-6666 mIRC 6.34 - Remote Buffer Overflow · remote · 2008-10-04
• EDB-6654 mIRC 6.34 - Remote Buffer Overflow (PoC) · dos · 2008-10-02
• EDB-16422 mIRC 6.34 - PRIVMSG Handling Stack Buffer Overflow (Metasploit) · remote · 2010-06-22

CVSS scores

Classification

Weakness

• CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

• exchange.xforce.ibmcloud.com /vulnerabilities/45624 · vdb-entry, x_refsource_XF, x_transferred
• exploit-db.com /exploits/6654 · exploit, x_refsource_EXPLOIT-DB, x_transferred
• secunia.com /advisories/32102 · third-party-advisory, x_refsource_SECUNIA, x_transferred
• exploit-db.com /exploits/6666 · exploit, x_refsource_EXPLOIT-DB, x_transferred
• securityreason.com /securityalert/4352 · third-party-advisory, x_refsource_SREASON, x_transferred
• vupen.com /english/advisories/2008/2736 · vdb-entry, x_refsource_VUPEN, x_transferred
• securityfocus.com /bid/31552 · vdb-entry, x_refsource_BID, x_transferred

Sources

• CVE List: CVE-2008-4449
• NVD: CVE-2008-4449

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