Out-of-Bounds Affecting grub2 package, versions <2.02~beta2-8


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.73% (81st percentile)

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  • Snyk IDSNYK-DEBIAN13-GRUB2-5681871
  • published19 Jun 2017
  • disclosed19 Jun 2017

Introduced: 19 Jun 2017

CVE-2017-9763  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Debian:13 grub2 to version 2.02~beta2-8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream grub2 package and not the grub2 package as distributed by Debian. See How to fix? for Debian:13 relevant fixed versions and status.

The grub_ext2_read_block function in fs/ext2.c in GNU GRUB before 2013-11-12, as used in shlr/grub/fs/ext2.c in radare2 1.5.0, allows remote attackers to cause a denial of service (excessive stack use and application crash) via a crafted binary file, related to use of a variable-size stack array.