#VU77184 Race condition in OpenSSL - CVE-2015-1791

 

#VU77184 Race condition in OpenSSL - CVE-2015-1791

Published: June 13, 2023


Vulnerability identifier: #VU77184
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2015-1791
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
OpenSSL
Software vendor:
OpenSSL Software Foundation

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition in the ssl3_get_new_session_ticket function in ssl/s3_clnt.c in OpenSSL. A local user can exploit the race and cause a denial of service (double free and application crash) or possibly have unspecified other impact by providing a NewSessionTicket during an attempt to reuse a ticket that had been obtained earlier.


Remediation

Install updates from vendor's website.

External links