CVE-2024-41996 Affecting libopenssl3 package, versions <3.0.8-150400.4.66.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-SLES154-LIBOPENSSL3-8163124
  • published6 Oct 2024
  • disclosed4 Oct 2024

Introduced: 4 Oct 2024

CVE-2024-41996  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 libopenssl3 to version 3.0.8-150400.4.66.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libopenssl3 package and not the libopenssl3 package as distributed by SLES. See How to fix? for SLES:15.4 relevant fixed versions and status.

Validating the order of the public keys in the Diffie-Hellman Key Agreement Protocol, when an approved safe prime is used, allows remote attackers (from the client side) to trigger unnecessarily expensive server-side DHE modular-exponentiation calculations. The client may cause asymmetric resource consumption. The basic attack scenario is that the client must claim that it can only communicate with DHE, and the server must be configured to allow DHE and validate the order of the public key.

CVSS Scores

version 3.1