Vulnerability Details : CVE-2021-28904
Potential exploit
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.
Products affected by CVE-2021-28904
- cpe:2.3:a:cesnet:libyang:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-28904
0.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 32 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-28904
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-28904
-
The product does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-28904
-
https://github.com/CESNET/libyang/issues/1451
“ext_get_plugin” function cause crash · Issue #1451 · CESNET/libyang · GitHubExploit;Issue Tracking;Third Party Advisory
-
https://security.gentoo.org/glsa/202107-54
libyang: Multiple vulnerabilities (GLSA 202107-54) — Gentoo securityThird Party Advisory
Jump to