Out-of-bounds Write Affecting qemu-chardev-spice package, versions <5.2.0-150300.127.3


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-SLES153-QEMUCHARDEVSPICE-5876071
  • published 30 Aug 2023
  • disclosed 28 Aug 2023

How to fix?

Upgrade SLES:15.3 qemu-chardev-spice to version 5.2.0-150300.127.3 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.

A flaw was found in the QEMU virtual crypto device while handling data encryption/decryption requests in virtio_crypto_handle_sym_req. There is no check for the value of src_len and dst_len in virtio_crypto_sym_op_helper, potentially leading to a heap buffer overflow when the two values differ.

CVSS Scores

version 3.1
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NVD

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

8.2 high
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Red Hat

6 medium