Out-of-bounds Write Affecting grub2-efi-aa64-modules package, versions *


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.06% (26th percentile)

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  • Snyk IDSNYK-CENTOS7-GRUB2EFIAA64MODULES-2865634
  • published9 Jun 2022
  • disclosed7 Jun 2022

Introduced: 7 Jun 2022

CVE-2022-28734  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 grub2-efi-aa64-modules.

NVD Description

Note: Versions mentioned in the description apply only to the upstream grub2-efi-aa64-modules package and not the grub2-efi-aa64-modules package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

Out-of-bounds write when handling split HTTP headers; When handling split HTTP headers, GRUB2 HTTP code accidentally moves its internal data buffer point by one position. This can lead to a out-of-bound write further when parsing the HTTP request, writing a NULL byte past the buffer. It's conceivable that an attacker controlled set of packets can lead to corruption of the GRUB2's internal memory metadata.

CVSS Scores

version 3.1