#VU15454 Improper input validation in Splunk Enterprise and Splunk Light - CVE-2018-7429

Vulnerability identifier: #VU15454

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-2018-7429

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Splunk Enterprise
Server applications / IDS/IPS systems, Firewalls and proxy servers
Splunk Light
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Splunk Inc.

Description

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

The vulnerability exists due to an error when processing HTTP requests by the Splunkd daemon. A remote attacker can send an HTTP request that submits malicious input and cause the service to crash.

Mitigation
Update Splunk Enterprise to 6.2.14, 6.3.11, 6.4.8.
Update Splunk Light to version 6.5.0.

Vulnerable software versions

Splunk Enterprise: 6.2.0 - 6.2.13, 6.3.0 - 6.3.10, 6.4.0 - 6.4.7

Splunk Light: 6.2.2 - 6.4.4

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External links
https://www.splunk.com/view/SP-CAAAP5T

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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.