Vulnerability identifier: #VU64063
Vulnerability risk: Medium
CVSSv3.1: 6.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-787
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
grub
Universal components / Libraries /
Libraries used by multiple products
Vendor: GNU
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing split HTTP headerst. A remote attacker can send specially crafted traffic to the affected system, trigger an out-of-bounds write and execute arbitrary code on the target system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
grub: 1.99 - 2.06
External links
http://lists.gnu.org/archive/html/grub-devel/2022-06/msg00035.html
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.