6.5

CVE-2020-15693

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Nim-langNim Version <= 1.2.6
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 2.05% 0.787
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.5 3.9 2.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
nvd@nist.gov 6.4 10 4.9
AV:N/AC:L/Au:N/C:P/I:P/A:N
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

http://www.openwall.com/lists/oss-security/2021/02/04/2
Third Party Advisory
Exploit
Mailing List
https://nim-lang.org/blog/2020/07/30/versions-126-and-108-released.html
Third Party Advisory
Release Notes
https://consensys.net/diligence/vulnerabilities/nim-httpclient-header-crlf-injection/
Third Party Advisory
Exploit
https://github.com/nim-lang/Nim/blob/dc5a40f3f39c6ea672e6dc6aca7f8118a69dda99/lib/pure/httpclient.nim#L1023
Patch
Third Party Advisory