Vulnerability Details : CVE-2019-19520
xlock in OpenBSD 6.6 allows local users to gain the privileges of the auth group by providing a LIBGL_DRIVERS_PATH environment variable, because xenocara/lib/mesa/src/loader/loader.c mishandles dlopen.
Products affected by CVE-2019-19520
- cpe:2.3:o:openbsd:openbsd:6.6:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-19520
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 26 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-19520
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2019-19520
-
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-19520
-
http://seclists.org/fulldisclosure/2019/Dec/14
Full Disclosure: Authentication vulnerabilities in OpenBSDThird Party Advisory
-
http://www.openwall.com/lists/oss-security/2019/12/04/6
oss-security - Re: Authentication vulnerabilities in OpenBSDMailing List
-
http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Authentication-Bypass-Privilege-Escalation.html
Qualys Security Advisory - OpenBSD Authentication Bypass / Privilege Escalation ≈ Packet StormThird Party Advisory
-
https://seclists.org/bugtraq/2019/Dec/8
Bugtraq: Authentication vulnerabilities in OpenBSDExploit;Mailing List;Third Party Advisory
-
https://www.openwall.com/lists/oss-security/2019/12/04/5
oss-security - Authentication vulnerabilities in OpenBSDExploit;Mailing List;Third Party Advisory
-
https://www.openbsd.org/errata66.html
OpenBSD 6.6 ErrataVendor Advisory
-
http://www.openwall.com/lists/oss-security/2019/12/04/5
oss-security - Authentication vulnerabilities in OpenBSDExploit;Mailing List;Third Party Advisory
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