Support Content Notification - Support Portal

USN-6633-1: Bind vulnerabilities

Product/Component

Isolation Segment

5 more products

Notification Id

24844

Last Updated

25 July 2024

Initial Publication Date

25 July 2024

Status

CLOSED

Severity

MEDIUM

CVSS Base Score

WorkAround

Affected CVE

CVE-2023-4408;CVE-2023-50387;CVE-2023-50868;CVE-2023-5517;CVE-2023-5679

Severity

medium

Vendor

VMware Tanzu

Versions Affected

Canonical Ubuntu 22.04

Shoham Danino, Anat Bremler-Barr, Yehuda Afek, and Yuval Shavitt discovered that Bind incorrectly handled parsing large DNS messages. A remote attacker could possibly use this issue to cause Bind to consume resources, leading to a denial of service. (CVE-2023-4408) Elias Heftrig, Haya Schulmann, Niklas Vogel, and Michael Waidner discovered that Bind icorrectly handled validating DNSSEC messages. A remote attacker could possibly use this issue to cause Bind to consume resources, leading to a denial of service. (CVE-2023-50387) It was discovered that Bind incorrectly handled preparing an NSEC3 closest encloser proof. A remote attacker could possibly use this issue to cause Bind to consume resources, leading to a denial of service. (CVE-2023-50868) It was discovered that Bind incorrectly handled reverse zone queries when nxdomain-redirect is enabled. A remote attacker could possibly use this issue to cause Bind to crash, leading to a denial of service. (CVE-2023-5517) It was discovered that Bind incorrectly handled recursive resolution when both DNS64 and serve-stable were enabled. A remote attacker could possibly use this issue to cause Bind to crash, leading to a denial of service. (CVE-2023-5679) Update Instructions: Run `sudo pro fix USN-6633-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: dnsutils - 1:9.18.18-0ubuntu0.22.04.2 bind9-libs - 1:9.18.18-0ubuntu0.22.04.2 bind9utils - 1:9.18.18-0ubuntu0.22.04.2 bind9-dev - 1:9.18.18-0ubuntu0.22.04.2 bind9-doc - 1:9.18.18-0ubuntu0.22.04.2 bind9-utils - 1:9.18.18-0ubuntu0.22.04.2 bind9 - 1:9.18.18-0ubuntu0.22.04.2 bind9-dnsutils - 1:9.18.18-0ubuntu0.22.04.2 bind9-host - 1:9.18.18-0ubuntu0.22.04.2 No subscription required.

Fixed and Unaffected VMware Products and Versions