Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2011-2721

Severity CVSS v4.0:
Pending analysis
Type:
CWE-189 Numeric Errors
Publication date:
05/08/2011
Last modified:
11/04/2025

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.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:* 0.97.1 (including)
cpe:2.3:a:clamav:clamav:0.01:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.02:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.3:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.03:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.05:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.8:rc3:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.9:rc1:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.10:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.12:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.13:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.14:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.14:pre:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.15:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.20:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools