Vulnerability Description
Off-by-one error in the cli_hm_scan function in matcher-hash.c in libclamav in ClamAV before 0.97.2 allows remote attackers to cause a denial of service (daemon crash) via an e-mail message that is not properly handled during certain hash calculations.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Clamav | Clamav | <= 0.97.1 |
Related Weaknesses (CWE)
References
- http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=blob_plain%3Bf=ChangeLog%3Bh
- http://git.clamav.net/gitweb?p=clamav-devel.git%3Ba=commit%3Bh=4842733eb3f09be61
- http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068940.h
- http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068941.h
- http://lists.fedoraproject.org/pipermail/package-announce/2011-November/068942.h
- http://secunia.com/advisories/45382Vendor Advisory
- http://secunia.com/advisories/46717
- http://securitytracker.com/id?1025858
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:122
- http://www.openwall.com/lists/oss-security/2011/07/26/13Patch
- http://www.openwall.com/lists/oss-security/2011/07/26/3Patch
- http://www.osvdb.org/74181
- http://www.securityfocus.com/bid/48891
- http://www.ubuntu.com/usn/USN-1179-1
- https://bugzilla.novell.com/show_bug.cgi?id=708263Patch
FAQ
What is CVE-2011-2721?
CVE-2011-2721 is a vulnerability with a CVSS score of 5.0 (MEDIUM). Off-by-one error in the cli_hm_scan function in matcher-hash.c in libclamav in ClamAV before 0.97.2 allows remote attackers to cause a denial of service (daemon crash) via an e-mail message that is no...
How severe is CVE-2011-2721?
CVE-2011-2721 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-2721?
Check the references section above for vendor advisories and patch information. Affected products include: Clamav Clamav.