Summaryinfo

A vulnerability, which was classified as critical, has been found in Debian zulucrypt up to 6.2.0-1. Impacted is an unknown function of the file zuluPolkit/CMakeLists.txt of the component PolicyKit. Performing a manipulation results in authorization. This vulnerability is known as CVE-2025-53391. Attacking locally is a requirement. No exploit is available.

Detailsinfo

A vulnerability was found in Debian zulucrypt up to 6.2.0-1. It has been classified as critical. This affects an unknown functionality of the file zuluPolkit/CMakeLists.txt of the component PolicyKit. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The Debian zuluPolkit/CMakeLists.txt file for zuluCrypt through the zulucrypt_6.2.0-1 package has insecure PolicyKit allow_any/allow_inactive/allow_active settings that allow a local user to escalate their privileges to root.

The advisory is shared at bugs.debian.org. This vulnerability is uniquely identified as CVE-2025-53391 since 06/28/2025. The exploitability is told to be easy. An attack has to be approached locally. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/30/2025).

By approaching the search of inurl:zuluPolkit/CMakeLists.txt it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-19461). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Debian

Name

• zulucrypt

Version

• 6.2.0-1

License

• open-source

Website

• Vendor: https://www.debian.org/

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Discussion