CVE Vulnerability

CVE-2021-28906

In function read_yin_leaf() in libyang ext[r] is NULL. In some cases, it can be NULL, which leads to the operation of retval->ext[r]->flags that results in 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/1455 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 : 2022-04-06 05:35

NVD link : CVE-2021-28906

Mitre link : CVE-2021-28906

Products Affected
No products.
CWE
CWE-252

Unchecked Return Value