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Bouncy Castle certificate parsing issues cause high CPU usage during parameter evaluation.

Moderate severity GitHub Reviewed Published May 14, 2024 to the GitHub Advisory Database • Updated May 14, 2024

Package

nuget BouncyCastle (NuGet)

Affected versions

< 2.3.1

Patched versions

None
nuget BouncyCastle.Cryptography (NuGet)
< 2.3.1
2.3.1
maven org.bouncycastle:bc-fips (Maven)
< 1.0.2.5
1.0.2.5
maven org.bouncycastle:bcpkix-jdk14 (Maven)
< 1.78
1.78
maven org.bouncycastle:bcpkix-jdk15to18 (Maven)
< 1.78
1.78
maven org.bouncycastle:bcpkix-jdk18on (Maven)
< 1.78
1.78
maven org.bouncycastle:bcprov-jdk14 (Maven)
< 1.78
1.78
maven org.bouncycastle:bcprov-jdk15on (Maven)
< 1.78
1.78
maven org.bouncycastle:bcprov-jdk15to18 (Maven)
< 1.78
1.78
maven org.bouncycastle:bcprov-jdk18on (Maven)
< 1.78
1.78
maven org.bouncycastle:bctls-jdk14 (Maven)
< 1.78
1.78
maven org.bouncycastle:bctls-jdk15to18 (Maven)
< 1.78
1.78
maven org.bouncycastle:bctls-jdk18on (Maven)
< 1.78
1.78

Description

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.

References

Published by the National Vulnerability Database May 14, 2024
Published to the GitHub Advisory Database May 14, 2024
Reviewed May 14, 2024
Last updated May 14, 2024

Severity

Moderate
5.3
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weaknesses

CVE ID

CVE-2024-29857

GHSA ID

GHSA-8xfc-gm6g-vgpv

Source code

No known source code
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