#VU10254 Stack-based buffer overflow in Red Hat Enterprise Linux for x86_64 - CVE-2017-15134

Vulnerability identifier: #VU10254

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-2017-15134

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Red Hat Enterprise Linux for x86_64
Operating systems & Components / Operating system

Vendor: Red Hat Inc.

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

The weakness exists due to improper handling of Lightweight Directory Access Protocol (LDAP) search filters by the 389-ds-base package. A remote attacker can send a specially crafted LDAP request, trigger a stack-based buffer overflow condition and cause the ns-slapd process to crash.

Successful exploitation of the vulnerability results in denial of service.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for x86_64: 7.0

---

External links
https://access.redhat.com/security/cve/CVE-2017-15134

---

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.