CVE-2013-4122
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…
Does this matter?
Lower severity and a low EPSS score (3.59%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
- EPSS
- 3.59% probability · 89th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-189
- Affected
- cmu/cyrus-sasl
- Source
- secalert@redhat.com
References
- http://git.cyrusimap.org/cyrus-sasl/commit/?id=dedad73e5e7a75d01a5f3d5a6702ab8ccd2ff40dExploit, Patch
- http://security.gentoo.org/glsa/glsa-201309-01.xml
- http://www.debian.org/security/2015/dsa-3368
- http://www.openwall.com/lists/oss-security/2013/07/12/3
- http://www.openwall.com/lists/oss-security/2013/07/12/6
- http://www.openwall.com/lists/oss-security/2013/07/13/1
- http://www.openwall.com/lists/oss-security/2013/07/15/1
- http://www.ubuntu.com/usn/USN-2755-1
- https://www.linuxquestions.org/questions/slackware-14/%5Bslackware-current%5D-glibc-2-17-shadow-and-other-penumbrae-4175461061/
- http://git.cyrusimap.org/cyrus-sasl/commit/?id=dedad73e5e7a75d01a5f3d5a6702ab8ccd2ff40dExploit, Patch
- http://security.gentoo.org/glsa/glsa-201309-01.xml
- http://www.debian.org/security/2015/dsa-3368
- http://www.openwall.com/lists/oss-security/2013/07/12/3
- http://www.openwall.com/lists/oss-security/2013/07/12/6
- http://www.openwall.com/lists/oss-security/2013/07/13/1
- http://www.openwall.com/lists/oss-security/2013/07/15/1
- http://www.ubuntu.com/usn/USN-2755-1
- https://www.linuxquestions.org/questions/slackware-14/%5Bslackware-current%5D-glibc-2-17-shadow-and-other-penumbrae-4175461061/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.