Sigma rule: Exploitation Attempt Of CVE-2023-46214 Using Public POC Code

Rule

Title

Exploitation Attempt Of CVE-2023-46214 Using Public POC Code

Status

test

Level

high

Author

Lars B. P. Frydenskov(Trifork Security)

Date

2023-11-27

File

rules-emerging-threats/2023/Exploits/CVE-2023-46214/web_cve_2023_46214_rce_splunk_enterprise_poc.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects exploitation attempt of CVE-2023-46214, a remote code execution (RCE) in Splunk Enterprise through insecure XML parsing using known public proof of concept code

Log source

category

webserver

Detection

selection_method_and_response:
    cs-method: POST
    sc-status:
        - 200
        - 302
selection_uri_upload:
    cs-uri-stem|contains: '/splunkd/__upload/indexing/preview'
    cs-uri-query|contains|all:
        - 'NO_BINARY_CHECK=1'
        - 'input.path=shell.xsl'
selection_uri_search:
    cs-uri-stem|contains|all:
        - '/api/search/jobs'
        - '/results'
    cs-uri-query|contains|all:
        - '/opt/splunk/var/run/splunk/dispatch/'
        - '/shell.xsl'
condition: selection_method_and_response and 1 of selection_uri_*

False positives (as the rule lists them)

• Unlikely

Tags

• attack.lateral-movement
• attack.t1210
• cve.2023-46214
• detection.emerging-threats

CVEs this rule names

• CVE-2023-46214

MITRE ATT&CK ids this rule names

• T1210

Related rules

• 04017cd5-621e-4ec4-a762-1f042fe3d3e5 (derived)

References

• https://github.com/nathan31337/Splunk-RCE-poc/
• https://blog.hrncirik.net/cve-2023-46214-analysis
• https://advisory.splunk.com/advisories/SVD-2023-1104

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2023/Exploits/CVE-2023-46214/web_cve_2023_46214_rce_splunk_enterprise_poc.yml