CVE-2024-45193

2024-08-2216:15:10

Debian Security Bug Tracker

security-tracker.debian.org

matrix libolm

ed25519 signature

validation

security issue

unsupported products

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

6.4

Confidence

Low

EPSS

Percentile

16.4%

JSON

An issue was discovered in Matrix libolm through 3.2.16. There is Ed25519 signature malleability due to lack of validation criteria (does not ensure that S < n). This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

OSVersionArchitecturePackageVersionFilename
Debian12allolm<= 3.2.13~dfsg-1olm_3.2.13~dfsg-1_all.deb
Debian11allolm<= 3.2.1~dfsg-7olm_3.2.1~dfsg-7_all.deb
Debian999allolm<= 3.2.16+dfsg-2olm_3.2.16+dfsg-2_all.deb
Debian13allolm<= 3.2.16+dfsg-2olm_3.2.16+dfsg-2_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	olm	<= 3.2.13~dfsg-1	olm_3.2.13~dfsg-1_all.deb
Debian	11	all	olm	<= 3.2.1~dfsg-7	olm_3.2.1~dfsg-7_all.deb
Debian	999	all	olm	<= 3.2.16+dfsg-2	olm_3.2.16+dfsg-2_all.deb
Debian	13	all	olm	<= 3.2.16+dfsg-2	olm_3.2.16+dfsg-2_all.deb