PT-2021-9800 · Nim+1 · Asyncftpclient+2

Tintinweb · Published 2020-10-30 · Updated 2024-06-15 · CVE-2020-15690

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Nim versions prior to 1.2.6

Description The issue is related to the standard library asyncftpclient in Nim, which lacks a check for whether a message contains a newline character.

Recommendations For versions prior to 1.2.6, update to version 1.2.6 or later to resolve the issue.

Exploit

Fix

Special Elements Injection

Weakness Enumeration

CWE-74

Related Identifiers

ALT-PU-2020-3173

CVE-2020-15690

OPENSUSE-SU-2022:10095-1

OPENSUSE-SU-2022:10101-1

OPENSUSE-SU-2024:12253-1

Affected Products

Alt Linux

Nim

Asyncftpclient

References · 39

• 🔥 https://github.com/nim-lang/Nim/blob/dc5a40f3f39c6ea672e6dc6aca7f8118a69dda99/lib/pure/asyncftpclient.nim#L145 · Exploit
• 🔥 https://github.com/tintinweb/pub/tree/master/pocs/cve-2020-15690 · Exploit
• 🔥 https://consensys.net/diligence/vulnerabilities/nim-asyncftpd-crlf-injection · Exploit
• 🔥 http://openwall.com/lists/oss-security/2021/02/04/3 · Exploit
• https://github.com/nim-lang/Nim/compare/v1.2.4...v1.2.6 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-15690 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-15690 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-15690 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2022:10095-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-15690 · Security Note
• https://cve.org/CVERecord?id=CVE-2020-15690 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2022:10101-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-15690 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:12253-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-15690 · Vendor Advisory