Vulnerability · Published Sep 21, 2022 · Assigned by isc

CVE-2022-2881Buffer overread in statistics channel code

Medium 5.5

In plain English

A medium-severity out-of-bounds read in BIND9 from ISC. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)1.4%top 27.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

The underlying bug might cause read past end of the buffer and either read memory it should not read, or crash the process.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20bind9.18.7-r0ALPINE-CVE-2022-2881
Alpine:v3.21bind9.18.7-r0ALPINE-CVE-2022-2881
Alpine:v3.22bind9.18.7-r0ALPINE-CVE-2022-2881
Alpine:v3.23bind9.18.7-r0ALPINE-CVE-2022-2881
Alpine:v3.24bind9.18.7-r0ALPINE-CVE-2022-2881
Debian:12bind91:9.18.7-1DEBIAN-CVE-2022-2881
Debian:13bind91:9.18.7-1DEBIAN-CVE-2022-2881
Debian:14bind91:9.18.7-1DEBIAN-CVE-2022-2881
Ubuntu:22.04:LTSbind91:9.18.1-1ubuntu1.2UBUNTU-CVE-2022-2881
Ubuntu:22.04:LTSbind91:9.18.1-1ubuntu1.2USN-5626-1

Affected products (as reported)

VendorProductVersions
ISC BIND9 Open Source Branch 9.18 9.18.0 through versions before 9.18.7Development Branch 9.19 9.19.0 through versions before 9.19.5

Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H

References