CVE-2024-25189

2024-02-0817:15:10

Debian Security Bug Tracker

security-tracker.debian.org

cve-2024-25189

authentication bypass

timing side channel

libjwt

unix

security vulnerability

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.3 High

AI Score

Confidence

Low

JSON

libjwt 1.15.3 uses strcmp (which is not constant time) to verify authentication, which makes it easier to bypass authentication via a timing side channel.

OSVersionArchitecturePackageVersionFilename
Debian12alllibjwt<= 1.10.2-1libjwt_1.10.2-1_all.deb
Debian11alllibjwt<= 1.10.2-1libjwt_1.10.2-1_all.deb
Debian10alllibjwt< 1.10.1-1+deb10u1libjwt_1.10.1-1+deb10u1_all.deb
Debian999alllibjwt< 1.17.0-2libjwt_1.17.0-2_all.deb
Debian13alllibjwt< 1.17.0-2libjwt_1.17.0-2_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	libjwt	<= 1.10.2-1	libjwt_1.10.2-1_all.deb
Debian	11	all	libjwt	<= 1.10.2-1	libjwt_1.10.2-1_all.deb
Debian	10	all	libjwt	< 1.10.1-1+deb10u1	libjwt_1.10.1-1+deb10u1_all.deb
Debian	999	all	libjwt	< 1.17.0-2	libjwt_1.17.0-2_all.deb
Debian	13	all	libjwt	< 1.17.0-2	libjwt_1.17.0-2_all.deb