Postgresql: extension script @substitutions@ within quoting allow sql injection
CVE-2023-39417

7.5HIGH

Key Information:

Vendor

Red Hat
Status
Red Hat Advanced Cluster Security 4.2
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 8.2 Advanced Update Support
Red Hat Enterprise Linux 8.2 Telecommunications Update Service
Vendor
CVE Published:
11 August 2023

What is CVE-2023-39417?

This vulnerability in PostgreSQL allows for SQL Injection when specific quoting constructs are employed with certain extension strings (e.g., @extowner@, @extschema@). If an administrator has installed a vulnerable non-bundled extension, an attacker possessing database-level CREATE privileges can exploit this flaw to execute arbitrary commands, potentially gaining privileges as a bootstrap superuser. Organizations must ensure that they are protecting against this risk by assessing their use of PostgreSQL extensions and applying necessary mitigations.

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Affected Version(s)

Red Hat Advanced Cluster Security 4.2 4.2.4-6

Red Hat Advanced Cluster Security 4.2 4.2.4-6

Red Hat Advanced Cluster Security 4.2 4.2.4-7

References

https://access.redhat.com/errata/RHSA-2023:7545
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:7579
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:7580
vendor-advisoryx_refsource_REDHAT

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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