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Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : SpamAssassin vulnerabilities (USN-3811-1)

critical Nessus Plugin ID 118797

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

It was discovered that SpamAssassin incorrectly handled certain unclosed tags in emails. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2017-15705)

It was discovered that SpamAssassin incorrectly handled the PDFInfo plugin. A remote attacker could possibly use this issue to execute arbitrary code. (CVE-2018-11780)

It was discovered that SpamAssassin incorrectly handled meta rule syntax. A local attacker could possibly use this issue to execute arbitrary code. (CVE-2018-11781).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected sa-compile, spamassassin and / or spamc packages.

See Also

https://ubuntu.com/security/notices/USN-3811-1

Plugin Details

Severity: Critical

ID: 118797

File Name: ubuntu_USN-3811-1.nasl

Version: 1.9

Type: local

Agent: unix

Published: 11/7/2018

Updated: 10/21/2023

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2018-11780

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:spamassassin, p-cpe:/a:canonical:ubuntu_linux:spamc, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:sa-compile

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 11/6/2018

Vulnerability Publication Date: 9/17/2018

Reference Information

CVE: CVE-2017-15705, CVE-2018-11780, CVE-2018-11781

USN: 3811-1