What is the CVSS score of CVE-2022-27239?

CVE-2022-27239 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.6%.

Is there a patch available for CVE-2022-27239?

Yes, a patch is available for CVE-2022-27239. Update the affected software to the latest version immediately.

Cifs Utils CVE-2022-27239

HIGH

Out-of-bounds Write (CWE-787)

2022-04-27 cve@mitre.org

Memory Corruption Buffer Overflow Cifs Utils Debian Linux Caas Platform Enterprise Storage Linux Enterprise Point Of Service Linux Enterprise Storage Manager Proxy Manager Retail Branch Server Manager Server Openstack Cloud Openstack Cloud Crowbar Linux Enterprise Desktop Linux Enterprise High Performance Computing Linux Enterprise Micro Linux Enterprise Real Time Linux Enterprise Server Linux Enterprise Software Development Kit Helion Openstack Fedora

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Apr 27, 2022 - 14:15 nvd

HIGH 7.8

DescriptionNVD

In cifs-utils through 6.14, a stack-based buffer overflow when parsing the mount.cifs ip= command-line argument could lead to local attackers gaining root privileges.

AnalysisAI

In cifs-utils through 6.14, a stack-based buffer overflow when parsing the mount.cifs ip= command-line argument could lead to local attackers gaining root privileges. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. In cifs-utils through 6.14, a stack-based buffer overflow when parsing the mount.cifs ip= command-line argument could lead to local attackers gaining root privileges. Affected products include: Samba Cifs-Utils, Debian Debian Linux, Suse Caas Platform, Suse Enterprise Storage, Suse Linux Enterprise Point Of Service. Version information: through 6.14.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).