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CVE-2021-44038

Date: November 19, 2021

An issue was discovered in Quagga through 1.2.4. Unsafe chown/chmod operations in the suggested spec file allow users (with control of the non-root-owned directory /etc/quagga) to escalate their privileges to root upon package installation or update.

Severity Score

Related Resources (7)

https://people.canonical.com/~ubuntu-security/cve/CVE-2021-44038
https://access.redhat.com/security/cve/CVE-2021-44038
https://nvd.nist.gov/vuln/detail/CVE-2021-44038
https://github.com/Quagga/quagga/releases
https://bugzilla.suse.com/show_bug.cgi?id=1191890
https://security-tracker.debian.org/tracker/CVE-2021-44038
https://www.mend.io/vulnerability-database/CVE-2021-44038

Severity Score

Weakness Type (CWE)

Improper Link Resolution Before File Access ('Link Following')

CWE-59

Improper Privilege Management

CWE-269

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

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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