CVE-2023-41038: firebird DoS — Fix

Description

Firebird is a relational database. Versions 4.0.0 through 4.0.3 and version 5.0 beta1 are vulnerable to a server crash when a user uses a specific form of SET BIND statement. Any non-privileged user with minimum access to a server may type a statement with a long `CHAR` length, which causes the server to crash due to stack corruption. Versions 4.0.4.2981 and 5.0.0.117 contain fixes for this issue. No known workarounds are available.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-770 CWE-770

Affected Products

Vendor	Product	Versions
firebirdsql	firebird	4.0.0 — 4.0.3
firebirdsql	firebird	All

References

Advisories & Patches

https://github.com/FirebirdSQL/firebird/security/advisories/GHSA-6fv8-8rwr-9692 https://github.com/FirebirdSQL/firebird/security/advisories/GHSA-6fv8-8rwr-9692

Other References

https://firebirdsql.org/en/snapshot-builds https://firebirdsql.org/en/snapshot-builds

Frequently Asked Questions

What is CVE-2023-41038? +

Firebird is a relational database. Versions 4.0.0 through 4.0.3 and version 5.0 beta1 are vulnerable to a server crash when a user uses a specific form of SET BIND statement. Any non-privileged user with minimum access to a server may type a statement with a long `CHAR` length, which causes the server to crash due to stack corruption. Versions 4.0.4.2981 and 5.0.0.117 contain fixes for this issue. No known workarounds are available. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2023-41038? +

CVE-2023-41038 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-41038? +

CVE-2023-41038 affects products from firebirdsql, specifically: firebird. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-41038? +

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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