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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2019-19521 Detail

Description

libc in OpenBSD 6.6 allows authentication bypass via the -schallenge username, as demonstrated by smtpd, ldapd, or radiusd. This is related to gen/auth_subr.c and gen/authenticate.c in libc (and login/login.c and xenocara/app/xenodm/greeter/verify.c).


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://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Authentication-Bypass-Privilege-Escalation.html Third Party Advisory 
http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Authentication-Bypass-Privilege-Escalation.html Third Party Advisory 
http://seclists.org/fulldisclosure/2019/Dec/14 Third Party Advisory 
http://seclists.org/fulldisclosure/2019/Dec/14 Third Party Advisory 
http://www.openwall.com/lists/oss-security/2019/12/04/5 Exploit  Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2019/12/04/5 Exploit  Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2019/12/04/6 Mailing List 
http://www.openwall.com/lists/oss-security/2019/12/04/6 Mailing List 
https://seclists.org/bugtraq/2019/Dec/8 Exploit  Mailing List  Third Party Advisory 
https://seclists.org/bugtraq/2019/Dec/8 Exploit  Mailing List  Third Party Advisory 
https://www.openbsd.org/errata66.html Vendor Advisory 
https://www.openbsd.org/errata66.html Vendor Advisory 
https://www.openwall.com/lists/oss-security/2019/12/04/5 Exploit  Mailing List  Third Party Advisory 
https://www.openwall.com/lists/oss-security/2019/12/04/5 Exploit  Mailing List  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-287 Improper Authentication cwe source acceptance level NIST  

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Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-19521
NVD Published Date:
12/04/2019
NVD Last Modified:
11/20/2024
Source:
MITRE