SB2018040603 - Amazon Linux AMI update for 389-ds-base
Published: April 6, 2018
Security Bulletin ID
SB2018040603
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Improper authentication (CVE-ID: CVE-2017-15135)
CWE-ID: CWE-287 - Improper Authentication
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote unauthenticated attacker to bypass authentication on the target system.
The weakness exists due to improper handling of internal hash comparison operations. A remote attacker can bypass the authentication process.
2) Out-of-bounds read (CVE-ID: CVE-2018-1054)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the 389-ds-base package due to out-of-bounds read when handling of certain Lightweight Directory Access Protocol (LDAP) search filters. A remote attacker can send a specially crafted LDAP request, trigger memory error and cause the ns-slapd process.
Remediation
Install update from vendor's website.