Vulnerability Details : CVE-2023-24620
An issue was discovered in Esoteric YamlBeans through 1.15. A crafted YAML document is able perform am XML Entity Expansion attack against YamlBeans YamlReader. By exploiting the Anchor feature in YAML, it is possible to generate a small YAML document that, when read, is expanded to a large size, causing CPU and memory consumption, such as a Java Out-of-Memory exception.
Vulnerability category: XML external entity (XXE) injection
Products affected by CVE-2023-24620
- cpe:2.3:a:esotericsoftware:yamlbeans:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-24620
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 19 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-24620
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2023-24620
-
The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.Assigned by: nvd@nist.gov (Primary)
References for CVE-2023-24620
-
https://github.com/Contrast-Security-OSS/yamlbeans/blob/main/SECURITY.md
yamlbeans/SECURITY.md at main · Contrast-Security-OSS/yamlbeans · GitHubExploit;Third Party Advisory
-
https://github.com/EsotericSoftware
Esoteric Software · GitHubThird Party Advisory
-
https://contrastsecurity.com
Contrast Security | Application Security Software PlatformThird Party Advisory
Jump to