VulnerabilityModified
CVE-2020-15690
In Nim before 1.2.6, the standard library asyncftpclient lacks a check for whether a message contains a newline character.
CRITICAL 9.8EPSS 3.18%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In Nim before 1.2.6, the standard library asyncftpclient lacks a check for whether a message contains a newline character.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.18% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-74
- Affected
- nim-lang/nim
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2021/02/04/3Exploit, Mailing List, Third Party Advisory
- https://consensys.net/diligence/vulnerabilities/nim-asyncftpd-crlf-injection/Exploit, Third Party Advisory
- https://github.com/nim-lang/Nim/blob/dc5a40f3f39c6ea672e6dc6aca7f8118a69dda99/lib/pure/asyncftpclient.nim#L145Exploit, Third Party Advisory
- https://github.com/nim-lang/Nim/compare/v1.2.4...v1.2.6Patch, Third Party Advisory
- https://github.com/tintinweb/pub/tree/master/pocs/cve-2020-15690Exploit, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/02/04/3Exploit, Mailing List, Third Party Advisory
- https://consensys.net/diligence/vulnerabilities/nim-asyncftpd-crlf-injection/Exploit, Third Party Advisory
- https://github.com/nim-lang/Nim/blob/dc5a40f3f39c6ea672e6dc6aca7f8118a69dda99/lib/pure/asyncftpclient.nim#L145Exploit, Third Party Advisory
- https://github.com/nim-lang/Nim/compare/v1.2.4...v1.2.6Patch, Third Party Advisory
- https://github.com/tintinweb/pub/tree/master/pocs/cve-2020-15690Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.