Bouncy Castle up to 1.77 F2m resource consumption

Summaryinfo

A vulnerability was found in Bouncy Castle up to 1.77. It has been classified as problematic. The impacted element is an unknown function. This manipulation of the argument F2m causes resource consumption. This vulnerability is handled as CVE-2024-29857. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in Bouncy Castle up to 1.77. Affected by this vulnerability is an unknown code block. The manipulation of the argument F2m with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. The summary by CVE is:

An issue was discovered in Bouncy Castle Java Cryptography APIs before BC 1.78. Importing an EC certificate with crafted F2m parameters can lead to excessive CPU consumption during the evaluation of the curve parameters.

It is possible to read the advisory at bouncycastle.org. This vulnerability is known as CVE-2024-29857 since 03/21/2024. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 209139 (Atlassian Confluence < 7.19.26 / 7.20.x < 8.5.12 / 8.6.x < 8.9.4 / 9.0.1 (CONFSERVER-97723)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.78 eliminates this vulnerability. The upgrade is hosted for download at bouncycastle.org.

The vulnerability is also documented in the databases at Tenable (209139) and CERT Bund (WID-SEC-2025-0143). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

• Oracle Fusion Middleware

Productinfo

Name

• Bouncy Castle

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25
• 1.26
• 1.27
• 1.28
• 1.29
• 1.30
• 1.31
• 1.32
• 1.33
• 1.34
• 1.35
• 1.36
• 1.37
• 1.38
• 1.39
• 1.40
• 1.41
• 1.42
• 1.43
• 1.44
• 1.45
• 1.46
• 1.47
• 1.48
• 1.49
• 1.50
• 1.51
• 1.52
• 1.53
• 1.54
• 1.55
• 1.56
• 1.57
• 1.58
• 1.59
• 1.60
• 1.61
• 1.62
• 1.63
• 1.64
• 1.65
• 1.66
• 1.67
• 1.68
• 1.69
• 1.70
• 1.71
• 1.72
• 1.73
• 1.74
• 1.75
• 1.76
• 1.77

CPE 2.3info

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CPE 2.2info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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