VulnerabilityModified
CVE-2020-23921
An issue was discovered in fast_ber through v0.4. yy::yylex() in asn_compiler.hpp has a heap-based buffer over-read.
HIGH 7.1EPSS 0.91%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.91%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.1 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
- EPSS
- 0.91% probability · 58th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- fast ber project/fast ber
- Source
- cve@mitre.org
References
- https://cwe.mitre.org/data/definitions/126.htmlTechnical Description
- https://github.com/Samuel-Tyler/fast_ber/issues/30Exploit, Third Party Advisory
- https://cwe.mitre.org/data/definitions/126.htmlTechnical Description
- https://github.com/Samuel-Tyler/fast_ber/issues/30Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.