Detections
Analytics

CVE-2020-15694

high

Description

In Nim 1.2.4, the standard library httpClient fails to properly validate the server response. For example, httpClient.get().contentLength() does not raise any error if a malicious server provides a negative Content-Length.

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#L241

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

Published: 2020-08-14

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Severity: High

EPSS

EPSS: 0.00508