Use After Free Affecting libguestfs-rsync package, versions <1:1.40.2-25.0.1.module+el8.3.0+7860+a7792d29


Severity

Recommended
medium

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.91% (83rd percentile)

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  • Snyk ID SNYK-ORACLE8-LIBGUESTFSRSYNC-2570841
  • published 10 Apr 2022
  • disclosed 6 Sep 2019

How to fix?

Upgrade Oracle:8 libguestfs-rsync to version 1:1.40.2-25.0.1.module+el8.3.0+7860+a7792d29 or higher.
This issue was patched in ELSA-2020-4676.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libguestfs-rsync package and not the libguestfs-rsync package as distributed by Oracle. See How to fix? for Oracle: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