CVE-2020-15693

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.

CVSS v3 6.5 MEDIUM
CVSS v2.0 6.4 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

6.4^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:a:nim-lang:nim:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-08-14 19:15

Updated : 2024-02-04 21:00

NVD link : CVE-2020-15693

Mitre link : CVE-2020-15693

CVE.ORG link : CVE-2020-15693

JSON object : View

Products Affected

nim-lang

nim

CWE

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

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