Samba Issues Security Updates to Patch Multiple High
Vulnerabilities mentionedAll →
| CVE | Vulnerability | CVSS | EPSS | Flags | Affected | Exposure | Published |
|---|---|---|---|---|---|---|---|
| CVE-2022-37966 | Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability NVD description · AI analysis pending | 8.1 group max | 3% |
| — | ||
| CVE-2022-45141 | 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 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). NVD description · AI analysis pending | 9.8 | <1% |
| — |
Full article289 words · extracted from thehackernews.com · click to collapse
Ravie LakshmananDec 17, 2022Server Security / Network Security
Samba has released software updates to remediate multiple vulnerabilities that, if successfully exploited, could allow an attacker to take control of affected systems.
The high-severity flaws, tracked as CVE-2022-38023, CVE-2022-37966, CVE-2022-37967, and CVE-2022-45141, have been patched in versions 4.17.4, 4.16.8 and 4.15.13 released on December 15, 2022.
Samba is an open source Windows interoperability suite for Linux, Unix, and macOS operating systems that offers file server, printing, and Active Directory services.
A brief description of each of the weaknesses is below -
- CVE-2022-38023 (CVSS score: 8.1) - Use of weak RC4-HMAC Kerberos encryption type in the Netlogon Secure Channel
- CVE-2022-37966 (CVSS score: 8.1) - An elevation of privilege vulnerability in Windows Kerberos RC4-HMAC
- CVE-2022-37967 (CVSS score: 7.2) - An elevation of privilege vulnerability in Windows Kerberos
- CVE-2022-45141 (CVSS score: 8.1) - Use of RC4-HMAC encryption when issuing Kerberos tickets in Samba Active Directory domain controller (AD DC) using Heimdal
It's worth noting that both CVE-2022-37966 and CVE-2022-37967, which enable an adversary to gain administrator privileges, were first disclosed by Microsoft as part of its November 2022 Patch Tuesday updates.
"An unauthenticated attacker could conduct an attack that could leverage cryptographic protocol vulnerabilities in RFC 4757 (Kerberos encryption type RC4-HMAC-MD5) and MS-PAC (Privilege Attribute Certificate Data Structure specification) to bypass security features in a Windows AD environment," the company said of CVE-2022-37966.
The patches also come as the U.S. Cybersecurity and Infrastructure Security Agency (CISA) this week published 41 Industrial Control Systems (ICS) advisories pertaining to various flaws impacting Siemens and Prosys OPC products.
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Text extracted automatically; images, tables and formatting may be missing. Original: https://thehackernews.com/2022/12/samba-issues-security-updates-to-patch.html