CVE-2024-2236

2024-03-0622:15:57

Debian Security Bug Tracker

security-tracker.debian.org

libgcrypt

rsa

flaw

bleichenbacher

attack

decryption

side-channel

timing-based

unix

cve-2024-2236

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

7.2

Confidence

Low

EPSS

Percentile

9.6%

JSON

A timing-based side-channel flaw was found in libgcrypt’s RSA implementation. This issue may allow a remote attacker to initiate a Bleichenbacher-style attack, which can lead to the decryption of RSA ciphertexts.

OSVersionArchitecturePackageVersionFilename
Debian12alllibgcrypt20<= 1.10.1-3libgcrypt20_1.10.1-3_all.deb
Debian11alllibgcrypt20<= 1.8.7-6libgcrypt20_1.8.7-6_all.deb
Debian999alllibgcrypt20<= 1.11.0-6libgcrypt20_1.11.0-6_all.deb
Debian13alllibgcrypt20<= 1.11.0-6libgcrypt20_1.11.0-6_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	libgcrypt20	<= 1.10.1-3	libgcrypt20_1.10.1-3_all.deb
Debian	11	all	libgcrypt20	<= 1.8.7-6	libgcrypt20_1.8.7-6_all.deb
Debian	999	all	libgcrypt20	<= 1.11.0-6	libgcrypt20_1.11.0-6_all.deb
Debian	13	all	libgcrypt20	<= 1.11.0-6	libgcrypt20_1.11.0-6_all.deb