Multiple vulnerabilities in Apache SpamAssassin

Published: 2018-09-16

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2018-11780 CVE-2018-11781
CWE-ID	CWE-20 CWE-94
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	SpamAssassin Server applications / DLP, anti-spam, sniffers
Vendor	Apache Foundation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper input validation

EUVDB-ID: #VU16310

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-11780

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to a remote code execution bug in the PDFInfo plug-in when handling malicious input. A remote unauthenticated attacker can trick the victim into opening a specially crafted email message and execute arbitrary code with elevated privileges.

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

Mitigation

Update to version 3.4.2.

Vulnerable software versions

SpamAssassin: 2.1.0 - 3.4.1

CPE2.3

External links

https://lists.apache.org/thread.html/7f6a16bc0fd0fd5e67c7fd95bd655069a2ac7d1f88e42d3c853e601c@%3Cann...

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Code injection

EUVDB-ID: #VU16311

Risk: Low

CVSSv4.0: 7.4 [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 - Improper Control of Generation of Code ('Code Injection')