CRLF Injection Vulnerability in Nim's AsyncFTPClient Library
CVE-2020-15690

9.8CRITICAL

Key Information:

Vendor

Nim-lang

Status
Nim
Vendor
CVE Published:
30 January 2021

What is CVE-2020-15690?

The AsyncFTPClient library in Nim before version 1.2.6 is vulnerable due to a lack of validation for newline characters in messages. This flaw could lead to CRLF injection attacks, enabling an attacker to manipulate server responses, potentially compromising the integrity of data transmitted and allowing unauthorized commands or information disclosure.

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References

https://github.com/nim-lang/Nim/blob/dc5a40f3f39c6ea672e6...
x_refsource_MISC
https://github.com/nim-lang/Nim/compare/v1.2.4...v1.2.6
x_refsource_CONFIRM
https://consensys.net/diligence/vulnerabilities/nim-async...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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