CVE Vulnerability

CVE-2021-28904

In function ext_get_plugin() in libyang <= v1.0.225, it doesn't check whether the value of revision is NULL. If revision is NULL, the operation of strcmp(revision, ext_plugins[u].revision) will lead to a crash.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/CESNET/libyang/issues/1451 Exploit Issue Tracking
https://security.gentoo.org/glsa/202107-54 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:cesnet:libyang:*:*:*:*:*:*:*:*
Information

Published : 2021-05-20 07:15

Updated : 2022-04-05 06:08

NVD link : CVE-2021-28904

Mitre link : CVE-2021-28904

Products Affected
No products.
CWE
CWE-252

Unchecked Return Value