CVE-2023-40593
Denial of Service (DoS) in Splunk Enterprise Using a Malformed SAML Request
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 8.2.12, 9.0.6, 9.0.2205
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
In Splunk Enterprise versions lower than 9.0.6 and 8.2.12, a malicious actor can send a malformed security assertion markup language (SAML) request to the `/saml/acs` REST endpoint which can cause a denial of service through a crash or hang of the Splunk daemon.
Timeline
- CVE published
- Record last updated
Affected versions
- Splunk Splunk Enterprise
From 8.2 · fixed in 8.2.12; From 9.0 · fixed in 9.0.6
- Splunk Splunk Cloud
fixed in 9.0.2205