#VU10911 Out-of-bounds read in 389-ds-base - CVE-2018-1054

Vulnerability identifier: #VU10911

Vulnerability risk: Low

CVSSv4.0: 6.6 [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]

CVE-ID: CVE-2018-1054

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
389-ds-base
Server applications / Directory software, identity management

Vendor: 389 Directory Server Project

Description
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.

Mitigation
Update to version 1.4.0.6.

Vulnerable software versions

389-ds-base: 1.1.0 - 1.1.46, 1.2.0, 1.2.9.0 - 1.2.9.9, 1.2.10.a8 - 1.2.10.24, 1.2.11.1 - 1.2.11.23, 1.3.0 - 1.3.0.8, 1.3.1.0 - 1.3.1.19, 1.3.5.18 - 1.3.5.19, 1.3.6.4 - 1.3.6.7, 1.4.0 - 1.4.0.5

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External links
https://bugzilla.redhat.com/show_bug.cgi?id=1537314

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.