QID 15155

Date Published: 2024-03-11

QID 15155: ISC BIND Security Update (CVE-2023-5680)

ISC BIND (Berkley Internet Domain Name) is an implementation of DNS protocols.

CVE-2023-5680: When a resolver cache has a very large number of ECS records stored for the same name, the process of cleaning the cache database node for this name can significantly impair query performance.

Affected versions:
BIND Supported Preview Edition 9.11.3-S1 to 9.11.37-S1
BIND Supported Preview Edition 9.16.8-S1 to - 9.16.45-S1
BIND Supported Preview Edition 9.18.11-S1 - 9.18.21-S1

Patched Versions:
BIND Supported Preview Edition 9.16.48-S1
BIND Supported Preview Edition 9.18.24-S1

QID Detection Logic:
This unauthenticated check detects vulnerable systems by fetching the version information from the BIND service using the banner.

Successful exploitation of this vulnerability an attacker can degrade named's query-handling performance. In the worst-case scenario, a resolver can become entirely unresponsive.

CVSS V3 rated as Medium - 5.3 severity.

CVSS V2 rated as Medium - 5 severity.

Solution

Customers are advised to upgrade to the patched version latest release of CVE-2023-5680

Vendor References

CVE-2023-5680 - kb.isc.org/docs/cve-2023-5680

CVEs related to QID 15155

CVE-2023-5680 |

Software Advisories

Advisory ID	Software	Component	Link
CVE-2023-5680			kb.isc.org/docs/cve-2023-5680

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