Buffer Overflow Affecting swtpm-tools package, versions <0:0.7.0-3.20211109gitb79fd91.module+el8.6.0+20842+e9607200


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.07% (32nd percentile)

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  • Snyk ID SNYK-ORACLE8-SWTPMTOOLS-2975940
  • published 2 Aug 2022
  • disclosed 29 Apr 2022

How to fix?

Upgrade Oracle:8 swtpm-tools to version 0:0.7.0-3.20211109gitb79fd91.module+el8.6.0+20842+e9607200 or higher.
This issue was patched in ELSA-2022-9862.

NVD Description

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

A flaw was found in the QXL display device emulation in QEMU. An integer overflow in the cursor_alloc() function can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. This flaw allows a malicious privileged guest user to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.

CVSS Scores

version 3.1
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NVD

8.2 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    High
  • User Interaction (UI)
    None
  • Scope (S)
    Changed
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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SUSE

7.5 high
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Red Hat

7.5 high