Stack-based buffer overflow in the AntServer Module (AntServer.exe) in BigAnt IM Server 2.50 allows remote attackers to execute arbitrary c…

published 2010-03-03 16y ago modified 2026-06-16 4mo ago also EUVD-2009-4625

cvss: 10.0; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 62.7%; EPSS 62.7% chance of exploitation in 30 days, percentile 99.2%
public exploits: 3; Metasploit and Exploit-DB

Stack-based buffer overflow in the AntServer Module (AntServer.exe) in BigAnt IM Server 2.50 allows remote attackers to execute arbitrary code via a long GET request to TCP port 6660.

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Timeline

2009-09-15 First public exploit (EDB-9690)
2010-03-03 Published

Exploit prediction

62.71% chance of exploitation in the next 30 days, higher than 99.2% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

Metasploit exploit/windows/misc/bigant_server_usv BigAnt Server 2.52 USV Buffer Overflow metasploit exploit, great rank, 2009-12-29
EDB-9690 BigAnt Server 2.50 - GET Universal Remote Buffer Overflow (SEH) remote, 2009-09-15
EDB-9673 BigAnt Server 2.50 - GET Remote Buffer Overflow (SEH) remote, 2009-09-15
securityfocus.com http://www.securityfocus.com/bid/36407 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

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

References

exploit-db.com /exploits/9673
exploit
exploit-db.com /exploits/9690
exploit
securityfocus.com /bid/36407
vdb-entry, exploit
secunia.com /advisories/36704
third-party-advisory, vendor-advisory
vupen.com /english/advisories/2009/2679
vdb-entry, vendor-advisory
attrition.org /pipermail/vim/2009-September/002271.html
mailing-list

Sources

CVE List CVE-2009-4660
NVD CVE-2009-4660

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