SB2019102932 - Use of Obsolete Function in samba (Alpine package)
Published: October 29, 2019
Security Bulletin ID
SB2019102932
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use of Obsolete Function (CVE-ID: CVE-2019-14833)
CWE-ID: CWE-477 - Use of Obsolete Function
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to bypass implemented password policy.
The vulnerability exists due to Samba does not pass the entire user's password when configured to use custom command to verify password complexity, if the password contains multibyte non-ACSII characters. A remote authenticated user can bypass implemented password policy and create weak passwords.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=2eff8a828fa8e0df24702602a7a3280016efebf3
- https://git.alpinelinux.org/aports/commit/?id=4da1ee1a718f0e9dfd6a6e91f9348fa96a58567d
- https://git.alpinelinux.org/aports/commit/?id=b8c29bc4a15eb1bcdc0504834b34f45348972ae1
- https://git.alpinelinux.org/aports/commit/?id=1a4e1a61106f66fdcf65ec33a37a99cea23db966