Red Hat Enterprise Linux 9 update for libguestfs-winsupport

1) Input validation error

EUVDB-ID: #VU68937

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-40284

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due in libntfs-3g/runlist.c to application incorrectly validates certain NTFS metadata, related to zero-sized runs. A local user can abuse application behavior to escalate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for ARM 64: 9

Red Hat Enterprise Linux for IBM z Systems: 9

Red Hat Enterprise Linux for x86_64: 9

libguestfs-winsupport (Red Hat package): before 9.2-2.el9_2

External links

http://access.redhat.com/errata/RHSA-2023:6167

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.