What’s Vulnerable › Vulnerabilities

CVE-2023-7279: Secure Systems Engineering Connaisseur Delegation Name targets_schema.json redos

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-09-02 · updated 2026-09-03
• Weakness: CWE-1333

Description

A vulnerability has been found in Secure Systems Engineering Connaisseur up to 3.3.0 and classified as problematic. This vulnerability affects unknown code of the file connaisseur/res/targets_schema.json of the component Delegation Name Handler. The manipulation leads to inefficient regular expression complexity. The complexity of an attack is rather high. The exploitation appears to be difficult. Upgrading to version 3.3.1 is able to address this issue. The name of the patch is 524b73ff7306707f6d3a4d1e86401479bca91b02. It is recommended to upgrade the affected component.

Affected products

• Secure Systems Engineering Connaisseur: before 3.3.1 — fixed in 3.3.1

How to fix

Upgrade to a fixed version: Secure Systems Engineering Connaisseur 3.3.1. Check the vendor advisory for mitigations.

References

• https://github.com/sse-secure-systems/connaisseur/commit/524b73ff7306707f6d3a4d1e86401479bca91b02
• https://github.com/sse-secure-systems/connaisseur/pull/1407
• https://github.com/sse-secure-systems/connaisseur/releases/tag/v3.3.1
• https://vuldb.com/?ctiid.276268
• https://vuldb.com/?id.276268

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