Vulnerability identifier: #VU80318
Vulnerability risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-400
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Splunk Enterprise
Server applications /
IDS/IPS systems, Firewalls and proxy servers
Vendor: Splunk Inc.
Description
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when processing SAML requests. A remote user can send a malformed SAML request to the "/saml/acs" REST endpoint to trigger resource exhaustion and perform a denial of service (DoS) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Splunk Enterprise: 9.0.0 - 9.0.5, 8.2.0 - 8.2.11
External links
http://advisory.splunk.com/advisories/SVD-2023-0802
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.