CVE-2020-15693

CVSS V2 Medium 6.4 CVSS V3 Medium 6.5
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.
Overview
  • CVE ID
  • CVE-2020-15693
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-08-14T19:15:12
  • Last Modified Date
  • 2021-02-08T20:42:32
Weakness Enumerations
CWE URL
CWE-74 http://cwe.mitre.org/data/definitions/74.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:nim-lang:nim:*:*:*:*:*:*:*:* 1 OR 1.2.6
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 6.4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 4.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.5
References
Reference URL Reference Tags
https://nim-lang.org/blog/2020/07/30/versions-126-and-108-released.html Release Notes Third Party Advisory
https://github.com/nim-lang/Nim/blob/dc5a40f3f39c6ea672e6dc6aca7f8118a69dda99/lib/pure/httpclient.nim#L1023 Patch Third Party Advisory
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-15693
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15693
History
Created Old Value New Value Data Type Notes
2022-05-10 07:23:58 Added to TrackCVE
2022-12-04 21:03:59 2020-08-14T19:15Z 2020-08-14T19:15:12 CVE Published Date updated
2022-12-04 21:03:59 2021-02-08T20:42:32 CVE Modified Date updated
2022-12-04 21:03:59 Analyzed Vulnerability Status updated