Home/CVE/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
CVE

CVE-2017-9763

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

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.

HIGH · CVSS 7.5 EPSS 0.01357
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

1
radare radare2all versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD19 Jun 2017 · 04:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

2
suse-csafSUSE-SU-2021:14659-1
suse-csafSUSE-SU-2019:13989-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://git.savannah.gnu.org/cgit/grub.git/commit/grub-core/fs/ext2.c?id=ac8cac1dac50daaf1c390d701cca3b55e16ee768PatchThird Party Advisory
http://www.securityfocus.com/bid/99141Third Party AdvisoryVDB Entry
https://github.com/radare/radare2/commit/65000a7fd9eea62359e6d6714f17b94a99a82eddPatchThird Party Advisory
https://github.com/radare/radare2/issues/7723PatchThird Party Advisory
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