Code injection in SpamAssassin - CVE-2018-11781

 

Code injection in SpamAssassin - CVE-2018-11781

Published: December 6, 2018


Vulnerability identifier: #VU16311
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/U:Clear
CVE-ID: CVE-2018-11781
CWE-ID: CWE-94
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Apache Foundation
Affected software:
SpamAssassin

Detailed vulnerability description

The vulnerability allows a local attacker to execute arbitrary code on the target system.

The vulnerability exists due to a code injection condition in the meta rule syntax that exists when rules are processed by the affected software. A local attacker can supply specially crafted data and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2018-11781

Update to version 3.4.2.

Sources