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CVE-2024-29857

Good to know:

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Date: May 14, 2024

An issue was discovered in ECCurve.java and ECCurve.cs in Bouncy Castle Java (BC Java) before 1.78, BC Java LTS before 2.73.6, BC-FJA before 1.0.2.5, and BC C# .Net before 2.3.1. Importing an EC certificate with crafted F2m parameters can lead to excessive CPU consumption during the evaluation of the curve parameters.

Language: C#

Severity Score

Related Resources (8)

https://github.com/bcgit/bc-java/commit/efc498ca4caa340ac2fe11f2efee06c1a294501f
https://github.com/bcgit/bc-java/commit/fee80dd230e7fba132d03a34f1dd1d6aae0d0281
https://github.com/bcgit/bc-csharp/wiki/CVE%E2%80%902024%E2%80%9029857
https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902024%E2%80%9029857
https://www.bouncycastle.org/latest_releases.html
https://nvd.nist.gov/vuln/detail/CVE-2024-29857
https://github.com/bcgit/bc-csharp/commit/56daa6eac526f165416d17f661422d60de0dfd63
https://www.mend.io/vulnerability-database/CVE-2024-29857

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

Top Fix

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Upgrade Version

Upgrade to version org.bouncycastle:bcprov-jdk15to18:1.78, org.bouncycastle:bcprov-jdk18on:1.78, BouncyCastle.Cryptography - 2.3.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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