Use After Free Affecting buildah package, versions <0:1.11.6-4.module+el8.1.1+5259+bcdd613a


Severity

Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    1.47% (88th percentile)

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  • Snyk ID SNYK-CENTOS8-BUILDAH-2021639
  • published 26 Jul 2021
  • disclosed 25 Aug 2019

How to fix?

Upgrade Centos:8 buildah to version 0:1.11.6-4.module+el8.1.1+5259+bcdd613a or higher.

NVD Description

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

libslirp 4.0.0, as used in QEMU 4.1.0, has a use-after-free in ip_reass in ip_input.c.

CVSS Scores

version 3.1
Expand this section

NVD

7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High