Resource Exhaustion Affecting clamav package, versions <0.102.1+dfsg-0ubuntu0.14.04.1+esm1


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating

    Threat Intelligence

    EPSS
    1.73% (89th percentile)

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  • Snyk ID SNYK-UBUNTU1404-CLAMAV-543102
  • published 22 Nov 2019
  • disclosed 15 Jan 2020

How to fix?

Upgrade Ubuntu:14.04 clamav to version 0.102.1+dfsg-0ubuntu0.14.04.1+esm1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream clamav package and not the clamav package as distributed by Ubuntu. See How to fix? for Ubuntu:14.04 relevant fixed versions and status.

A vulnerability in the email parsing module Clam AntiVirus (ClamAV) Software versions 0.102.0, 0.101.4 and prior could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to inefficient MIME parsing routines that result in extremely long scan times of specially formatted email files. An attacker could exploit this vulnerability by sending a crafted email file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process to scan the crafted email file indefinitely, resulting in a denial of service condition.

CVSS Scores

version 3.1
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NVD

6.5 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
Expand this section

SUSE

7.5 high