Vulnerability Description
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.
CVSS Score
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openbsd | Openbsd | 6.6 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-AutThird Party Advisory
- http://seclists.org/fulldisclosure/2019/Dec/14Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/12/04/5ExploitMailing ListThird Party Advisory
- https://github.com/openbsd/src/blob/2dfc98f42e117c7605b52b5020b630d98601dc22/usrThird Party Advisory
- https://seclists.org/bugtraq/2019/Dec/8ExploitMailing ListThird Party Advisory
- https://www.openbsd.org/errata66.htmlVendor Advisory
- https://www.openwall.com/lists/oss-security/2019/12/04/5ExploitMailing ListThird Party Advisory
- http://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-AutThird Party Advisory
- http://seclists.org/fulldisclosure/2019/Dec/14Third Party Advisory
- http://www.openwall.com/lists/oss-security/2019/12/04/5ExploitMailing ListThird Party Advisory
- https://github.com/openbsd/src/blob/2dfc98f42e117c7605b52b5020b630d98601dc22/usrThird Party Advisory
- https://seclists.org/bugtraq/2019/Dec/8ExploitMailing ListThird Party Advisory
- https://www.openbsd.org/errata66.htmlVendor Advisory
- https://www.openwall.com/lists/oss-security/2019/12/04/5ExploitMailing ListThird Party Advisory
FAQ
What is CVE-2019-19519?
CVE-2019-19519 is a vulnerability with a CVSS score of 7.8 (HIGH). 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.
How severe is CVE-2019-19519?
CVE-2019-19519 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-19519?
Check the references section above for vendor advisories and patch information. Affected products include: Openbsd Openbsd.