CVE-2022-32744: High severity Samba Samba vulnerability
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 Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/sambato a version that resolves this vulnerability.Fixed in 2:4.17.12+dfsg-0+deb12u4Fixed in 2:4.22.11+dfsg-0+deb13u1Fixed in 2:4.22.10+dfsg-0+deb13u2Fixed in 2:4.25.1+dfsg-1 - Upgrade
Upgrade
alpine/sambato a version that resolves this vulnerability.Fixed in 4.15.12-r0 - Upgrade
Upgrade
alpine/sambato a version that resolves this vulnerability.Fixed in 4.15.9-r0 - Upgrade
Upgrade
debian/sambato a version that resolves this vulnerability.Fixed in 2:4.16.4+dfsg-1
Event History
Frequently Asked Questions
What is CVE-2022-32744?
CVE-2022-32744 is a vulnerability in Samba that allows an attacker to change other users' passwords and potentially take over the entire domain.
How does CVE-2022-32744 work?
CVE-2022-32744 allows an attacker to encrypt forged kpasswd requests with its own key, tricking the KDC into accepting the requests and changing other users' passwords.
What is the severity of CVE-2022-32744?
CVE-2022-32744 has a severity score of 8.8 (high).
Which versions of Samba are affected by CVE-2022-32744?
Samba versions 4.3.0 to 4.14.14, 4.15.0 to 4.15.9, and 4.16.0 to 4.16.4 are affected by CVE-2022-32744.
How can I fix CVE-2022-32744?
To fix CVE-2022-32744, it is recommended to upgrade Samba to a patched version provided by the vendor.