Buffer overflow in 389-ds-base - CVE-2018-1089

Vulnerability identifier: #VU12607

CSH Severity: Medium

CVSS v4: 8.7 [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]

CVE-ID: CVE-2018-1089

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.

The weakness exists in ns-slapd due to improper handling of long search filters with characters needing escapes. A remote attacker can submit a specially crafted LDAP request, trigger buffer overflow and cause the service to crash.

389-ds-base
Amazon Linux AMI
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power
Red Hat Enterprise Linux EUS Compute Node

Update to versions 1.4.0.9, 1.3.8.1 or 1.3.6.15.

• http://seclists.org/oss-sec/2018/q2/89

• Red Hat update for 389-ds-base
• Red Hat update for 389-ds-base
• Amazon Linux AMI update for 389-ds-base