Deserialization of Untrusted Data in OpenAFS - CVE-2019-18601

 

Deserialization of Untrusted Data in OpenAFS - CVE-2019-18601

Published: November 6, 2019


Vulnerability identifier: #VU22553
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-18601
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: OpenAFS.org
Affected software:
OpenAFS

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insecure input validation when processing serialized data. A remote attacker can make a series of VOTE_Debug RPC calls to crash a database server within the "SVOTE_Debug RPC" handler.


How to mitigate CVE-2019-18601

Install updates from vendor's website.

Sources