Use After Free Affecting conmon package, versions <2:2.0.17-1.module+el8.2.1+6771+3533eb4c


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
2.29% (81st percentile)

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  • Snyk IDSNYK-CENTOS8-CONMON-2044395
  • published26 Jul 2021
  • disclosed2 Apr 2020

Introduced: 2 Apr 2020

CVE-2020-1983  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:8 conmon to version 2:2.0.17-1.module+el8.2.1+6771+3533eb4c or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream conmon package and not the conmon package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets to cause a denial of service.

CVSS Base Scores

version 3.1