CVE-2023-7279 Secure Systems Engineering Connaisseur Delegation Name targets_schema.json redos
An attacker can cause a denial of service in Connaisseur via inefficient regular expressions in the delegation name handler.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-7279?
CVE-2023-7279 is a low-severity denial of service vulnerability in Secure Systems Engineering Connaisseur, published on 2 Sep 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-1333
Which versions are affected by CVE-2023-7279?
It affects 1 product.
Products include Securesystems Connaisseur.
How do I fix CVE-2023-7279?
No fix has been published for CVE-2023-7279 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-7279 being exploited?
There is no known exploitation of CVE-2023-7279 in the wild and no public exploit code.
Sources
Also known as GHSA-fvfc-vfg9-g345.