Deserialization of Untrusted Data in OpenAFS - CVE-2019-18601
Published: November 6, 2019
Vulnerability identifier: #VU22553
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2019-18601
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
OpenAFS
How to mitigate CVE-2019-18601
Install updates from vendor's website.
OpenAFS - addressed in versions 1.6.24, 1.8.5