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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2013-4143 Detail

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.


Evaluator Description

per http://cwe.mitre.org/data/definitions/476.html "CWE-476: NULL Pointer Dereference"

Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://openwall.com/lists/oss-security/2013/07/16/8
http://openwall.com/lists/oss-security/2013/07/16/8
http://openwall.com/lists/oss-security/2013/07/18/6
http://openwall.com/lists/oss-security/2013/07/18/6
http://www.tux.org/~bagleyd/xlock/xlockmore.README Vendor Advisory 
http://www.tux.org/~bagleyd/xlock/xlockmore.README Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-Other Other cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2013-4143
NVD Published Date:
05/30/2014
NVD Last Modified:
04/12/2025
Source:
Red Hat, Inc.