Stack-based buffer overflow in cifs-utils - CVE-2022-27239

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Main Vulnerability Database Vulnerabilities #VU63956

Stack-based buffer overflow in cifs-utils - CVE-2022-27239

Published: June 2, 2022


Vulnerability identifier: #VU63956
CSH Severity: Low
CVSS v4: 9.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H]
CVE-ID: CVE-2022-27239
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a boundary error when parsing the "mount.cifs ip=" command-line argument. A local user can pass specially crafted data to the command, trigger a stack-based buffer overflow and execute arbitrary code with root privileges.


Affected software

cifs-utils
Amazon Linux AMI
Gentoo Linux
SUSE CaaS Platform
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Linux Enterprise Micro
SUSE Enterprise Storage
SUSE OpenStack Cloud Crowbar
HPE Helion Openstack
SUSE OpenStack Cloud
SUSE Linux Enterprise Point of Sale
SUSE Linux Enterprise Debuginfo
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise Server for SAP Applications
SUSE Linux Enterprise Software Development Kit
Ubuntu
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Realtime Extension
SUSE Linux Enterprise Desktop
SUSE Linux Enterprise Module for Basesystem
openSUSE Leap
openEuler
Fedora
cifs-utils
cifs-utils-debugsource
cifs-utils-debuginfo
cifs-utils (Ubuntu package)
cifs-utils (Debian package)
cifs-utils-devel
pam_cifscreds-debuginfo
pam_cifscreds
cifs-utils-help
net-fs/cifs-utils
Dell EMC VxRail Appliance

How to mitigate CVE-2022-27239

Install updates from vendor's website.

cifs-utils - update to 6.15
cifs-utils - addressed in versions 5.1-0.14.3.1, 5.1-0.16.3.1, 6.9-9.18.1, 6.9-13.20.1, 6.9-150000.3.17.1, 6.9-150100.5.15.1, 6.15-150400.3.6.1
cifs-utils-debugsource - addressed in versions 5.1-0.16.3.1, 6.9-9.18.1, 6.9-13.20.1, 6.9-150000.3.17.1, 6.9-150100.5.15.1, 6.15-150400.3.6.1
cifs-utils-debuginfo - addressed in versions 5.1-0.16.3.1, 6.9-9.18.1, 6.9-13.20.1, 6.9-150000.3.17.1, 6.9-150100.5.15.1, 6.15-150400.3.6.1
cifs-utils (Ubuntu package) - addressed in versions 2:6.0-1ubuntu2+esm1, 2:6.4-1ubuntu1.1+esm1, 2:6.8-1ubuntu1.2, 2:6.9-1ubuntu0.2, 2:6.11-3.1ubuntu0.1, 2:6.14-1ubuntu0.1
cifs-utils - addressed in versions 6.2-7.7, 6.15-1
cifs-utils (Debian package) - addressed in versions 2:6.8-2+deb10u1, 2:6.11-3.1+deb11u1
cifs-utils-devel - addressed in versions 6.9-13.20.1, 6.9-150000.3.17.1, 6.9-150100.5.15.1, 6.15-150400.3.6.1
pam_cifscreds-debuginfo - addressed in versions 6.9-150100.5.15.1, 6.15-150400.3.6.1
pam_cifscreds - addressed in versions 6.9-150100.5.15.1, 6.15-150400.3.6.1
cifs-utils - update to 6.10-5
cifs-utils-debuginfo - update to 6.10-5
cifs-utils-debugsource - update to 6.10-5
cifs-utils-devel - update to 6.10-5
cifs-utils-help - update to 6.10-5
net-fs/cifs-utils - update to 6.15
cifs-utils - addressed in versions 6.15-1.fc34, 6.15-1.fc35, 6.15-1.fc36
Dell EMC VxRail Appliance - update to 8.0.000

External References

Related Security Bulletins