CVE-2020-15693

Description

In Nim 1.2.4, the standard library httpClient is vulnerable to a CR-LF injection in the target URL. An injection is possible if the attacker controls any part of the URL provided in a call (such as httpClient.get or httpClient.post), the User-Agent header value, or custom HTTP header names or values.

References

https://nim-lang.org/blog/2020/07/30/versions-126-and-108-released.html

https://github.com/nim-lang/Nim/blob/dc5a40f3f39c6ea672e6dc6aca7f8118a69dda99/lib/pure/httpclient.nim#L1023

https://consensys.net/diligence/vulnerabilities/nim-httpclient-header-crlf-injection/

http://www.openwall.com/lists/oss-security/2021/02/04/2

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3