Out-of-bounds Read Affecting virt:rhel/seavgabios-bin package, versions <0:1.13.0-2.module+el8.3.0+7353+9de0a3cc


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.12% (48th percentile)

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  • Snyk IDSNYK-RHEL8-VIRT-4070345
  • published26 Jul 2021
  • disclosed3 May 2021

Introduced: 3 May 2021

CVE-2021-3504  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade RHEL:8 virt:rhel/seavgabios-bin to version 0:1.13.0-2.module+el8.3.0+7353+9de0a3cc or higher.
This issue was patched in RHSA-2021:3061.

NVD Description

Note: Versions mentioned in the description apply only to the upstream virt:rhel/seavgabios-bin package and not the virt:rhel/seavgabios-bin package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A flaw was found in the hivex library in versions before 1.3.20. It is caused due to a lack of bounds check within the hivex_open function. An attacker could input a specially crafted Windows Registry (hive) file which would cause hivex to read memory beyond its normal bounds or cause the program to crash. The highest threat from this vulnerability is to system availability.

CVSS Scores

version 3.1