CVE-2023-40593

Denial of Service (DoS) in Splunk Enterprise Using a Malformed SAML Request

MEDIUM 6.3

At a glance

Source
NVD
EPSS
EPSS 0.58 % · percentile 48 ()
State
PUBLISHED
Published
Updated
Assigner
Splunk
NVD status
Modified

Description

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.

Weaknesses (CWE)

  • CWE-400 — Uncontrolled Resource Consumption (DoS)

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 6.3CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:HSplunk
CVSS 3.1MEDIUM 6.3CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:HNVD · prodsec@splunk.com (Secondary)
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Splunk · Splunk Enterpriseaffected 8.2 < 8.2.12 ; affected 9.0 < 9.0.6
Splunk · Splunk Cloudaffected - < 9.0.2205

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD