CVE Vulnerability

CVE-2019-19519

In OpenBSD 6.6, local users can use the su -L option to achieve any login class (often excluding root) because there is a logic error in the main function in su/su.c.

4.6 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/openbsd/src/blob/2dfc98f42e117c7605b52b5020b630d98601dc22/usr.bin/su/su.c#L210-L211 Third Party Advisory
https://www.openbsd.org/errata66.html Vendor Advisory
https://www.openwall.com/lists/oss-security/2019/12/04/5 Exploit Mailing List
http://www.openwall.com/lists/oss-security/2019/12/04/5 Exploit Mailing List
https://seclists.org/bugtraq/2019/Dec/8 Exploit Mailing List
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
Configurations

Configuration 1

cpe:2.3:o:openbsd:openbsd:6.6:*:*:*:*:*:*:*
Information

Published : 2019-12-05 12:15

Updated : 2021-07-21 11:39

NVD link : CVE-2019-19519

Mitre link : CVE-2019-19519

Products Affected
No products.
CWE
CWE-287