SB2018091714 - Improper input validation in spamassassin (Alpine package)

Description

This security bulletin contains information about 1 vulnerability.

1) Improper input validation (CVE-ID: CVE-2018-11780)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: 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

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.

Remediation

Install update from vendor's website.

References

• https://git.alpinelinux.org/aports/commit/?id=414d938b62bf425063a54567a1736a0d2fb76c8f
• https://git.alpinelinux.org/aports/commit/?id=4038e91416abe5bb2a7a09fe108146f5d55bbdaa