fedoraproject fedora CVE-2021-25317 vulnerability in Fedora Project and Other Products
Published on May 5, 2021

cups: ownership of /var/log/cups allows the lp user to create files as root

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A Incorrect Default Permissions vulnerability in the packaging of cups of SUSE Linux Enterprise Server 11-SP4-LTSS, SUSE Manager Server 4.0, SUSE OpenStack Cloud Crowbar 9; openSUSE Leap 15.2, Factory allows local attackers with control of the lp users to create files as root with 0644 permissions without the ability to set the content. This issue affects: SUSE Linux Enterprise Server 11-SP4-LTSS cups versions prior to 1.3.9. SUSE Manager Server 4.0 cups versions prior to 2.2.7. SUSE OpenStack Cloud Crowbar 9 cups versions prior to 1.7.5. openSUSE Leap 15.2 cups versions prior to 2.2.7. openSUSE Factory cups version 2.3.3op2-2.1 and prior versions.

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Vulnerability Analysis

CVE-2021-25317 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
LOW
Availability Impact:
NONE

Weakness Type

Incorrect Default Permissions

During installation, installed file permissions are set to allow anyone to modify those files.


Products Associated with CVE-2021-25317

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2021-25317 are published in these products:

Fedora Project Fedora
 
Suse Linux Enterprise Server
 
Suse Manager
 
Suse Openstack Cloud
 
OpenSuse Leap
 
OpenSuse Factory
 

Affected Versions

SUSE Linux Enterprise Server 11-SP4-LTSS: SUSE Manager Server 4.0: SUSE OpenStack Cloud Crowbar 9: openSUSE Leap 15.2: openSUSE Factory:

Exploit Probability

EPSS
0.27%
Percentile
17.38%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.