Vulnerability Description
An issue was discovered in fast_ber through v0.4. yy::yylex() in asn_compiler.hpp has a heap-based buffer over-read.
CVSS Score
7.1
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Fast Ber Project | Fast Ber | <= 0.4 |
Related Weaknesses (CWE)
References
- https://cwe.mitre.org/data/definitions/126.htmlTechnical Description
- https://github.com/Samuel-Tyler/fast_ber/issues/30ExploitThird Party Advisory
- https://cwe.mitre.org/data/definitions/126.htmlTechnical Description
- https://github.com/Samuel-Tyler/fast_ber/issues/30ExploitThird Party Advisory
FAQ
What is CVE-2020-23921?
CVE-2020-23921 is a vulnerability with a CVSS score of 7.1 (HIGH). An issue was discovered in fast_ber through v0.4. yy::yylex() in asn_compiler.hpp has a heap-based buffer over-read.
How severe is CVE-2020-23921?
CVE-2020-23921 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-23921?
Check the references section above for vendor advisories and patch information. Affected products include: Fast Ber Project Fast Ber.