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AmazonALAS2-2023-1978

HistoryMar 02, 2023 - 10:35 p.m.

Important: cifs-utils

2023-03-0222:35:00

alas.aws.amazon.com

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.9 High

AI Score

Confidence

High

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.001 Low

EPSS

Percentile

39.4%

JSON

Issue Overview:

A stack-based buffer overflow issue was found in pifs-utils. Parsing the mount.cifs ip command-line argument can lead to local attackers gaining root privileges. (CVE-2022-27239)

Affected Packages:

cifs-utils

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

Issue Correction:
Run yum update cifs-utils to update your system.

New Packages:

aarch64:  
    cifs-utils-6.2-10.amzn2.0.3.aarch64  
    cifs-utils-devel-6.2-10.amzn2.0.3.aarch64  
    cifs-utils-debuginfo-6.2-10.amzn2.0.3.aarch64  
  
i686:  
    cifs-utils-6.2-10.amzn2.0.3.i686  
    cifs-utils-devel-6.2-10.amzn2.0.3.i686  
    cifs-utils-debuginfo-6.2-10.amzn2.0.3.i686  
  
src:  
    cifs-utils-6.2-10.amzn2.0.3.src  
  
x86_64:  
    cifs-utils-6.2-10.amzn2.0.3.x86_64  
    cifs-utils-devel-6.2-10.amzn2.0.3.x86_64  
    cifs-utils-debuginfo-6.2-10.amzn2.0.3.x86_64

Additional References

Red Hat: CVE-2022-27239

Mitre: CVE-2022-27239

OSVersionArchitecturePackageVersionFilename
Amazon Linux2aarch64cifs-utils< 6.2-10.amzn2.0.3cifs-utils-6.2-10.amzn2.0.3.aarch64.rpm
Amazon Linux2aarch64cifs-utils-devel< 6.2-10.amzn2.0.3cifs-utils-devel-6.2-10.amzn2.0.3.aarch64.rpm
Amazon Linux2aarch64cifs-utils-debuginfo< 6.2-10.amzn2.0.3cifs-utils-debuginfo-6.2-10.amzn2.0.3.aarch64.rpm
Amazon Linux2i686cifs-utils< 6.2-10.amzn2.0.3cifs-utils-6.2-10.amzn2.0.3.i686.rpm
Amazon Linux2i686cifs-utils-devel< 6.2-10.amzn2.0.3cifs-utils-devel-6.2-10.amzn2.0.3.i686.rpm
Amazon Linux2i686cifs-utils-debuginfo< 6.2-10.amzn2.0.3cifs-utils-debuginfo-6.2-10.amzn2.0.3.i686.rpm
Amazon Linux2x86_64cifs-utils< 6.2-10.amzn2.0.3cifs-utils-6.2-10.amzn2.0.3.x86_64.rpm
Amazon Linux2x86_64cifs-utils-devel< 6.2-10.amzn2.0.3cifs-utils-devel-6.2-10.amzn2.0.3.x86_64.rpm
Amazon Linux2x86_64cifs-utils-debuginfo< 6.2-10.amzn2.0.3cifs-utils-debuginfo-6.2-10.amzn2.0.3.x86_64.rpm

OS	Version	Architecture	Package	Version	Filename
Amazon Linux	2	aarch64	cifs-utils	< 6.2-10.amzn2.0.3	cifs-utils-6.2-10.amzn2.0.3.aarch64.rpm
Amazon Linux	2	aarch64	cifs-utils-devel	< 6.2-10.amzn2.0.3	cifs-utils-devel-6.2-10.amzn2.0.3.aarch64.rpm
Amazon Linux	2	aarch64	cifs-utils-debuginfo	< 6.2-10.amzn2.0.3	cifs-utils-debuginfo-6.2-10.amzn2.0.3.aarch64.rpm
Amazon Linux	2	i686	cifs-utils	< 6.2-10.amzn2.0.3	cifs-utils-6.2-10.amzn2.0.3.i686.rpm
Amazon Linux	2	i686	cifs-utils-devel	< 6.2-10.amzn2.0.3	cifs-utils-devel-6.2-10.amzn2.0.3.i686.rpm
Amazon Linux	2	i686	cifs-utils-debuginfo	< 6.2-10.amzn2.0.3	cifs-utils-debuginfo-6.2-10.amzn2.0.3.i686.rpm
Amazon Linux	2	x86_64	cifs-utils	< 6.2-10.amzn2.0.3	cifs-utils-6.2-10.amzn2.0.3.x86_64.rpm
Amazon Linux	2	x86_64	cifs-utils-devel	< 6.2-10.amzn2.0.3	cifs-utils-devel-6.2-10.amzn2.0.3.x86_64.rpm
Amazon Linux	2	x86_64	cifs-utils-debuginfo	< 6.2-10.amzn2.0.3	cifs-utils-debuginfo-6.2-10.amzn2.0.3.x86_64.rpm