PT-2024-2650 · Wolfssh · Wolfssh

Published 2024-03-25 · Updated 2024-03-26 · CVE-2024-2873

Positive Technologies (AI Summary)

CVSS v3.1

9.4

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions wolfSSH versions prior to 1.4.17

Description A vulnerability was found in wolfSSH's server-side state machine. This issue is related to shortcomings in the authentication procedure, allowing a malicious client to create channels without first performing user authentication, resulting in unauthorized access. A remote attacker could exploit this vulnerability to bypass existing security restrictions.

Recommendations For versions prior to 1.4.17, update to version 1.4.17 or later to resolve the issue. As a temporary workaround, consider restricting access to the server-side state machine until a patch is available. Avoid allowing clients to create channels without proper user authentication.

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

BDU:2024-02717

CVE-2024-2873

Affected Products

Wolfssh

References · 9

• https://github.com/wolfSSL/wolfssh/pull/671 · Patch
• https://github.com/wolfSSL/wolfssh/pull/670 · Patch
• https://osv.dev/vulnerability/CVE-2024-2873 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-02717 · Security Note
• https://wolfssl.com/docs/security-vulnerabilities · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-2873 · Security Note
• https://t.me/cvenotify/74627 · Telegram Post
• https://twitter.com/cracbot/status/1772709599784710404 · Twitter Post
• https://twitter.com/CVEnew/status/1772386837358674221 · Twitter Post