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CVE-2022-2735

Date: September 6, 2022

A vulnerability was found in the PCS project. This issue occurs due to incorrect permissions on a Unix socket used for internal communication between PCS daemons. A privilege escalation could happen by obtaining an authentication token for a hacluster user. With the "hacluster" token, this flaw allows an attacker to have complete control over the cluster managed by PCS.

Severity Score

Related Resources (12)

https://security-tracker.debian.org/tracker/CVE-2022-2735
https://access.redhat.com/errata/RHSA-2022:6313
https://access.redhat.com/errata/RHSA-2022:6312
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-2735
https://access.redhat.com/errata/RHSA-2022:6314
https://access.redhat.com/security/cve/CVE-2022-2735
https://www.debian.org/security/2022/dsa-5226
https://nvd.nist.gov/vuln/detail/CVE-2022-2735
https://www.openwall.com/lists/oss-security/2022/09/01/4
https://bugzilla.redhat.com/show_bug.cgi?id=2116815
https://access.redhat.com/errata/RHSA-2022:6341
https://www.mend.io/vulnerability-database/CVE-2022-2735

Severity Score

Weakness Type (CWE)

Incorrect Default Permissions

CWE-276

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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