CVE-2024-2338: anonymizer SQL Injection — Fix

Description

PostgreSQL Anonymizer v1.2 contains a SQL injection vulnerability that allows a user who owns a table to elevate to superuser when dynamic masking is enabled. PostgreSQL Anonymizer enables users to set security labels on tables to mask specified columns. There is a flaw that allows complex expressions to be provided as a value. This expression is then later used as it to create the masked views leading to SQL Injection. If dynamic masking is enabled, this will lead to privilege escalation to superuser after the label is created. Users that don't own a table, especially masked users cannot exploit this vulnerability. The problem is resolved in v1.3.

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CVSS v3.1 Score

8.0

HIGH

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

Weakness Type (CWE)

CWE-89 SQL Injection

Affected Products

Vendor	Product	Versions
dalibo	anonymizer	All

References

Advisories & Patches

https://gitlab.com/dalibo/postgresql_anonymizer/-/commit/f55daadba3fa8226029687964aa8889d01a79778 https://gitlab.com/dalibo/postgresql_anonymizer/-/commit/f55daadba3fa8226029687964aa8889d01a79778

Frequently Asked Questions

What is CVE-2024-2338? +

PostgreSQL Anonymizer v1.2 contains a SQL injection vulnerability that allows a user who owns a table to elevate to superuser when dynamic masking is enabled. PostgreSQL Anonymizer enables users to set security labels on tables to mask specified columns. There is a flaw that allows complex expressions to be provided as a value. This expression is then later used as it to create the masked views leading to SQL Injection. If dynamic masking is enabled, this will lead to privilege escalation to superuser after the label is created. Users that don't own a table, especially masked users cannot exploit this vulnerability. The problem is resolved in v1.3. It has a CVSS v3.1 base score of 8.0 (HIGH).

How severe is CVE-2024-2338? +

CVE-2024-2338 has a CVSS v3.1 score of 8.0 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-2338? +

CVE-2024-2338 affects products from dalibo, specifically: anonymizer. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-2338? +

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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