Vulnerability · Published Aug 25, 2022 · Assigned by redhat

CVE-2022-32744

High 8.8

In plain English

A high-severity authentication bypass by spoofing in samba. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.2%top 31.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A flaw was found in Samba. The KDC accepts kpasswd requests encrypted with any key known to it. By encrypting forged kpasswd requests with its own key, a user can change other users' passwords, enabling full domain takeover.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20samba4.15.9-r0ALPINE-CVE-2022-32744
Alpine:v3.21samba4.15.9-r0ALPINE-CVE-2022-32744
Alpine:v3.22samba4.15.9-r0ALPINE-CVE-2022-32744
Alpine:v3.23samba4.15.9-r0ALPINE-CVE-2022-32744
Alpine:v3.24samba4.15.9-r0ALPINE-CVE-2022-32744
Debian:12samba2:4.16.4+dfsg-1DEBIAN-CVE-2022-32744
Debian:13samba2:4.16.4+dfsg-1DEBIAN-CVE-2022-32744
Debian:14samba2:4.16.4+dfsg-1DEBIAN-CVE-2022-32744
Ubuntu:22.04:LTSsamba2:4.15.9+dfsg-0ubuntu0.2UBUNTU-CVE-2022-32744
Ubuntu:22.04:LTSsamba2:4.15.9+dfsg-0ubuntu0.2USN-5542-1

Affected products (as reported)

VendorProductVersions
n/a samba Versions prior to samba 4.16.4, samba 4.15.9, samba 4.14.14

Weakness: CWE-290

References