CVE-2013-4122
cyrus-sasl2 - security update
EPSS 1.2%
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.
How to fix CVE-2013-4122
To remediate CVE-2013-4122, upgrade the affected package to a fixed version below.
- Alpine/cyrus-sasl—upgrade to 2.1.26-r7 or later
- —upgrade to 2.1.26.dfsg1-14 or later
- —upgrade to 2.1.26.dfsg1-13+deb8u1 or later
Is CVE-2013-4122 being exploited?
Low — EPSS is 1.2%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 2.1.26-r7
- from 0, < 2.1.26.dfsg1-14
- from 0, < 2.1.26.dfsg1-13+deb8u1