PT-2022-25497 · Linux Mint+2 · Linuxmint+2

Published 2022-11-14 · Updated 2024-06-27 · CVE-2022-40735

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions No specific software or versions are mentioned, so the information cannot be consolidated into a concise form. The affected software is (affected versions not specified).

Description The issue allows remote attackers to trigger expensive server-side calculations using long exponents in the Diffie-Hellman Key Agreement Protocol. This can lead to asymmetric resource consumption. The attack can be more disruptive when a client sends arbitrary numbers that are not DH public keys, or when a server is forced to select its largest supported key size. This issue can affect protocols such as TLS, SSH, and IKE.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2022-40735

SUSE-SU-2023:2470-1

SUSE-SU-2023_2470-1

USN-6854-1

Affected Products

Linuxmint

Suse

Ubuntu

References · 32

• https://osv.dev/vulnerability/SUSE-SU-2023:2470-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-40735 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-40735 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-40735 · Security Note
• https://ubuntu.com/security/notices/USN-6854-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6854-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-40735 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-40735 · Vendor Advisory
• https://github.com/openssl/openssl/pull/18480 · Note
• https://github.com/mozilla/ssl-config-generator/issues/162 · Note
• https://suse.com/security/cve/CVE-2023-1255 · Note
• https://rfc-editor.org/rfc/rfc3526 · Note
• https://t.me/cvenotify/77731 · Telegram Post
• https://raw.githubusercontent.com/CVEProject/cvelist/9d7fbbcabd3f44cfedc9e8807757d31ece85a2c6/2022/40xxx/CVE-2022-40735.json · Note
• https://gist.github.com/c0r0n3r/9455ddcab985c50fd1912eabf26e058b · Note