CVE-2017-9763 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Radare2

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-400 — Uncontrolled Resource Consumption6 documents6 sources
Severity
7.5HIGHNVD
EPSS
1.4%
top 19.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
GNU Grub2Debian Grub2Debian Radare2+1 more
Timeline
PublishedJun 19
Latest updateMay 17

Description

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.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

▶debiandebian/grub2< grub2 2.02~beta2-8 (bookworm)
▶Debiangnu/grub2< 2.02~beta2-8+3
▶debiandebian/radare2< grub2 2.02~beta2-8 (bookworm)
▶NVDradare/radare21.5.0

Patches

Patch: git.savannah.gnu.org ↗Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-vvvg-pm5p-r68f: The grub_ext2_read_block function in fs/ext2↗2022-05-17
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OSV
CVE-2017-9763: The grub_ext2_read_block function in fs/ext2↗2017-06-19
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📋Vendor Advisories

2
Red Hat
grub2: Stack exhaustion in grub_ext2_read_block↗2017-06-11
▶
Debian
CVE-2017-9763: grub2 - The grub_ext2_read_block function in fs/ext2.c in GNU GRUB before 2013-11-12, as...↗2017
▶

💬Community

1
Bugzilla
CVE-2017-9763 grub2: Stack exhaustion in grub_ext2_read_block↗2017-06-20
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