CVE-2013-4143
The (1) checkPasswd and (2) checkGroupXlockPasswds functions in xlockmore before 5.43 do not properly handle when a NULL value is returned upon an error by the crypt or dispcrypt function as implemented in glibc 2.17 and later, which allows attackers to…
Does this matter?
Lower severity and a low EPSS score (0.40%). Track it; it rarely justifies an emergency change on its own.
Description
The (1) checkPasswd and (2) checkGroupXlockPasswds functions in xlockmore before 5.43 do not properly handle when a NULL value is returned upon an error by the crypt or dispcrypt function as implemented in glibc 2.17 and later, which allows attackers to bypass the screen lock via vectors related to invalid salts.
- CVSS 2.0
- 2.1 LOWAV:L/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 0.40% probability · 33th percentile
- CISA KEV
- Not listed
- Affected
- david bagley/xlockmore
- Source
- secalert@redhat.com
References
- http://openwall.com/lists/oss-security/2013/07/16/8
- http://openwall.com/lists/oss-security/2013/07/18/6
- http://www.tux.org/~bagleyd/xlock/xlockmore.READMEVendor Advisory
- http://openwall.com/lists/oss-security/2013/07/16/8
- http://openwall.com/lists/oss-security/2013/07/18/6
- http://www.tux.org/~bagleyd/xlock/xlockmore.READMEVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.