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CVE
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CVE-2011-2721Date: (C)2011-08-05   (M)2018-06-02


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 and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : CVSS Score : 5.0
Exploit Score: Exploit Score: 10.0
Impact Score: Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: Access Vector: NETWORK
Attack Complexity: Access Complexity: LOW
Privileges Required: Authentication: NONE
User Interaction: Confidentiality: NONE
Scope: Integrity: NONE
Confidentiality: Availability: PARTIAL
Integrity:  
Availability:  
  
Reference:
SECTRACK-1025858
SECUNIA-45382
SECUNIA-46717
BID-48891
OSVDB-74181
FEDORA-2011-15033
FEDORA-2011-15076
FEDORA-2011-15119
MDVSA-2011:122
USN-1179-1
http://www.openwall.com/lists/oss-security/2011/07/26/3
http://www.openwall.com/lists/oss-security/2011/07/26/13
clamav-scan-dos(68785)
http://git.clamav.net/gitweb?p=clamav-devel.git;a=blob_plain;f=ChangeLog;hb=clamav-0.97.2
http://git.clamav.net/gitweb?p=clamav-devel.git;a=commit;h=4842733eb3f09be61caeed83778bb6679141dbc5
https://bugzilla.novell.com/show_bug.cgi?id=708263
https://bugzilla.redhat.com/show_bug.cgi?id=725694
https://wwws.clamav.net/bugzilla/show_bug.cgi?id=2818

CPE    117
cpe:/a:clamav:clamav:0.95:src2
cpe:/a:clamav:clamav:0.95:src1
cpe:/a:clamav:clamav:0.97.1
cpe:/a:clamav:clamav:0.96:rc1
...
CWE    1
CWE-189
OVAL    5
oval:org.secpod.oval:def:700560
oval:org.secpod.oval:def:102773
oval:org.secpod.oval:def:102914
oval:org.secpod.oval:def:103975
...

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