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

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CVE-2013-4122

Severity CVSS v4.0:
Pending analysis
Type:
CWE-189 Numeric Errors
Publication date:
27/10/2013
Last modified:
11/04/2025

Description

Cyrus SASL 2.1.23, 2.1.26, and earlier does not properly handle when a NULL value is returned upon an error by the crypt function as implemented in glibc 2.17 and later, which allows remote attackers to cause a denial of service (thread crash and consumption) via (1) an invalid salt or, when FIPS-140 is enabled, a (2) DES or (3) MD5 encrypted password, which triggers a NULL pointer dereference.

Impact

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

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

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

Base Score 2.0
4.30
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:cmu:cyrus-sasl:*:*:*:*:*:*:*:* 2.1.26 (including)
cpe:2.3:a:cmu:cyrus-sasl:1.5.28:*:*:*:*:*:*:*
cpe:2.3:a:cmu:cyrus-sasl:2.1.19:*:*:*:*:*:*:*
cpe:2.3:a:cmu:cyrus-sasl:2.1.20:*:*:*:*:*:*:*
cpe:2.3:a:cmu:cyrus-sasl:2.1.21:*:*:*:*:*:*:*
cpe:2.3:a:cmu:cyrus-sasl:2.1.22:*:*:*:*:*:*:*
cpe:2.3:a:cmu:cyrus-sasl:2.1.23:*:*:*:*:*:*:*
cpe:2.3:a:cmu:cyrus-sasl:2.1.24:*:*:*:*:*:*:*
cpe:2.3:a:cmu:cyrus-sasl:2.1.25:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:2.2:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:2.2.2:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:2.2.3:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:2.2.4:*:*:*:*:*:*:*
cpe:2.3:a:gnu:glibc:2.2.5:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools