CVE-2024-29905: dirac Resource Exposure — Fix

Description

DIRAC is an interware, meaning a software framework for distributed computing. Prior to version 8.0.41, during the proxy generation process (e.g., when using `dirac-proxy-init`), it is possible for unauthorized users on the same machine to gain read access to the proxy. This allows the user to then perform any action that is possible with the original proxy. This vulnerability only exists for a short period of time (sub-millsecond) during the generation process. Version 8.0.41 contains a patch for the issue. As a workaround, setting the `X509_USER_PROXY` environment variable to a path that is inside a directory that is only readable to the current user avoids the potential risk. After the file has been written, it can be safely copied to the standard location (`/tmp/x509up_uNNNN`).

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CVSS v3.1 Score

8.1

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L

Weakness Type (CWE)

CWE-668 CWE-668

Affected Products

Vendor	Product	Versions
diracgrid	dirac	< 8.0.41

References

Advisories & Patches

https://github.com/DIRACGrid/DIRAC/commit/1faa709341969a6321e29c843ca94039d33b2c3d https://github.com/DIRACGrid/DIRAC/security/advisories/GHSA-v6f3-gh5h-mqwx https://github.com/DIRACGrid/DIRAC/commit/1faa709341969a6321e29c843ca94039d33b2c3d https://github.com/DIRACGrid/DIRAC/security/advisories/GHSA-v6f3-gh5h-mqwx

Frequently Asked Questions

What is CVE-2024-29905? +

DIRAC is an interware, meaning a software framework for distributed computing. Prior to version 8.0.41, during the proxy generation process (e.g., when using `dirac-proxy-init`), it is possible for unauthorized users on the same machine to gain read access to the proxy. This allows the user to then perform any action that is possible with the original proxy. This vulnerability only exists for a short period of time (sub-millsecond) during the generation process. Version 8.0.41 contains a patch for the issue. As a workaround, setting the `X509_USER_PROXY` environment variable to a path that is inside a directory that is only readable to the current user avoids the potential risk. After the file has been written, it can be safely copied to the standard location (`/tmp/x509up_uNNNN`). It has a CVSS v3.1 base score of 8.1 (HIGH).

How severe is CVE-2024-29905? +

CVE-2024-29905 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-29905? +

CVE-2024-29905 affects products from diracgrid, specifically: dirac. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-29905? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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