CVE-2022-45141: Weak Encryption
First published: Mon Mar 06 2023(Updated: )
Since the Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability was disclosed by Microsoft on Nov 8 2022 and per RFC8429 it is assumed that rc4-hmac is weak, Vulnerable Samba Active Directory DCs will issue rc4-hmac encrypted tickets despite the target server supporting better encryption (eg aes256-cts-hmac-sha1-96).
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Samba Samba | <4.15.13 | |
| Samba Samba | >=4.16.0<4.16.8 |
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Reference Links
Frequently Asked Questions
What is CVE-2022-45141?
CVE-2022-45141 is the identifier for the Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability.
What is the severity of CVE-2022-45141?
CVE-2022-45141 has a severity rating of 9.8, which is considered critical.
Which software is affected by CVE-2022-45141?
Samba versions 4.15.13 and Samba versions 4.16.0 to 4.16.8 are affected by CVE-2022-45141.
What is the impact of CVE-2022-45141?
CVE-2022-45141 allows attackers to issue rc4-hmac encrypted tickets on vulnerable Samba Active Directory DCs.
How can I fix CVE-2022-45141?
To fix CVE-2022-45141, it is recommended to update Samba to a version that is not affected by the vulnerability.
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- version/samba samba/4.16.0