Buffer Overflow Affecting qemu-chardev-spice package, versions <5.2.0-17.1


Severity

Recommended
medium

Based on SUSE Linux Enterprise Server security rating

    Threat Intelligence

    EPSS
    0.7% (81st percentile)

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  • Snyk ID SNYK-SLES153-QEMUCHARDEVSPICE-2677945
  • published 14 Apr 2022
  • disclosed 10 Jun 2021

How to fix?

Upgrade SLES:15.3 qemu-chardev-spice to version 5.2.0-17.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-chardev-spice package and not the qemu-chardev-spice package as distributed by SLES. See How to fix? for SLES:15.3 relevant fixed versions and status.

In libslirp 4.1.0, as used in QEMU 4.2.0, tcp_subr.c misuses snprintf return values, leading to a buffer overflow in later code.

CVSS Scores

version 3.1
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NVD

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

7 high
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Red Hat

5.6 medium