SB2018081448 - Weakn encryption in samba (Alpine package)
Published: August 14, 2018
Security Bulletin ID
SB2018081448
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Weakn encryption (CVE-ID: CVE-2018-1139)
CWE-ID: CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists due to an error that allows usage of NTLMv1 encryption protocol over SMB1 transport, even when NTLMv1 is explicitly disabled.
Remediation
Install update from vendor's website.