#VU13395 Race condition in 389-ds-base - CVE-2018-10850

Vulnerability identifier: #VU13395

Vulnerability risk: Medium

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:Green]

CVE-ID: CVE-2018-10850

CWE-ID: CWE-362

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 vulnerability exists due to a race condition in the way 389-ds-base handles persistent search. A remote attacker can send a specially crafted request that submits malicious input and cause the system to crash.

Mitigation
The vulnerability is addressed in the versions 1.3.8.3, 1.4.0.10.

Vulnerable software versions

389-ds-base: 1.3.0 - 1.3.0.8, 1.3.1.0 - 1.3.1.19, 1.3.3.1, 1.3.4, 1.3.5.1 - 1.3.5.19, 1.3.6 - 1.3.6.15, 1.3.7 - 1.3.7.10, 1.3.8 - 1.3.8.1, 1.4.0 - 1.4.0.9

---

External links
https://pagure.io/389-ds-base/issue/49768

---

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.