Out-of-bounds Write Affecting qemu-guest-agent package, versions <10:3.1.0-8.amzn2.0.7


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.36% (73rd percentile)

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  • Snyk IDSNYK-AMZN2-QEMUGUESTAGENT-1697581
  • published27 Sept 2021
  • disclosed4 Jun 2020

Introduced: 4 Jun 2020

CVE-2020-13765  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 qemu-guest-agent to version 10:3.1.0-8.amzn2.0.7 or higher.
This issue was patched in ALAS2-2021-1617.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-guest-agent package and not the qemu-guest-agent package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

rom_copy() in hw/core/loader.c in QEMU 4.0 and 4.1.0 does not validate the relationship between two addresses, which allows attackers to trigger an invalid memory copy operation.

CVSS Scores

version 3.1