PT-2022-12436 · Nicotine+ · Nicotine+

Published 2022-03-15 · Updated 2022-11-16 · CVE-2021-45848

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Nicotine+ versions 3.0.3 through 3.2.0

Description A denial of service (DoS) issue exists, allowing a user with a modified Soulseek client to crash Nicotine+ by sending a file download request with a file path containing a null character. This can be achieved by exploiting the file path variable in the file download request.

Recommendations For Nicotine+ versions 3.0.3 through 3.2.0, update to version 3.2.1 or later to resolve the issue. As a temporary workaround, consider restricting file download requests from untrusted sources to minimize the risk of exploitation.

Exploit

Fix

Improper Encoding or Escaping of Output

Weakness Enumeration

CWE-116

Related Identifiers

CVE-2021-45848

GHSA-P4V2-R99V-WJC2

Affected Products

Nicotine+

References · 10

• 🔥 https://github.com/nicotine-plus/nicotine-plus/issues/1777 · Exploit
• https://osv.dev/vulnerability/GHSA-p4v2-r99v-wjc2 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HWYV53KERFH2EC4XI2IVVQFTV75E5XM6 · Vendor Advisory
• https://security.gentoo.org/glsa/202210-20 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-45848 · Security Note
• https://lists.fedoraproject.org/archives/list/[e-mail]/message/HWYV53KERFH2EC4XI2IVVQFTV75E5XM6 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-45848 · Vendor Advisory
• https://github.com/nicotine-plus/nicotine-plus · Note
• https://github.com/nicotine-plus/nicotine-plus/commit/0e3e2fac27a518f0a84330f1ddf1193424522045 · Note
• https://t.me/cibsecurity/38962 · Telegram Post