CVE-2017-9949 Information

Description

The grub_memmove function in shlr/grub/kern/misc.c in radare2 1.5.0 allows remote attackers to cause a denial of service (stack-based buffer underflow and application crash) or possibly have unspecified other impact via a crafted binary file possibly related to a buffer underflow in fs/ext2.c in GNU GRUB 2.02.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/99305 https://github.com/radare/radare2/commit/796dd28aaa6b9fa76d99c42c4d5ff8b257cc2191 https://github.com/radare/radare2/issues/7683

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8