PT-2024-20804 · Libjwt · Libjwt

P3Ngu1Nw · Published 2024-02-08 · Updated 2025-11-18 · CVE-2024-25189

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 libjwt version 1.15.3

Description The issue arises from the use of strcmp to verify authentication, which is not a constant time operation. This makes it easier for attackers to bypass authentication via a timing side channel.

Recommendations For libjwt version 1.15.3, consider updating to a version that uses constant time string comparison to mitigate the risk of timing side channel attacks.

Exploit

Fix

Side Channel Attack

Weakness Enumeration

CWE-203

Related Identifiers

CVE-2024-25189

DLA-3739-1

Affected Products

Libjwt

References · 16

• 🔥 https://github.com/P3ngu1nW/CVE_Request/blob/main/benmcollins%3Alibjwt.md · Exploit
• https://ubuntu.com/security/CVE-2024-25189 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2024-25189 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-3739-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2024-25189 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2024-25189 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2024-25189 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2024-25189 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-25189 · Security Note
• https://github.com/benmcollins/libjwt/commit/a5d61ef4f1b383876e0a78534383f38159471fd6 · Note
• https://github.com/benmcollins/libjwt/commit/f73bac57c5bece16ac24f1a70022aa34355fc1bf · Note
• https://t.me/cveNotify/143210 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1755676159700807728 · Twitter Post
• https://t.me/cvenotify/92220 · Telegram Post
• https://lists.debian.org/debian-lts-announce/2024/02/msg00009.html · Note