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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.3134 SVD-2023-0605: Persistent Cross-Site Scripting (XSS) through a URL Validation Bypass within a Dashboard View 2 June 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Splunk Enterprise Publisher: Splunk Operating System: Windows UNIX variants (UNIX, Linux, OSX) Resolution: Patch/Upgrade CVE Names: CVE-2023-32711 CVE-2019-8331 Original Bulletin: https://advisory.splunk.com//advisories/SVD-2023-0605 Comment: CVSS (Max): 5.4 CVE-2023-32711 (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N) CVSS Source: Splunk Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - --------------------------BEGIN INCLUDED TEXT-------------------- Persistent Cross-Site Scripting (XSS) through a URL Validation Bypass within a Dashboard View Advisory ID: SVD-2023-0605 CVE ID: CVE-2023-32711 Published: 2023-06-01 Last Update: 2023-06-01 CVSSv3.1 Score: 5.4, Medium CVSSv3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CWE: CWE-79 Bug ID: SPL-234890 Description A Splunk dashboard view lets a low-privileged user exploit a vulnerability in the Bootstrap web framework (CVE-2019-8331) and build a stored cross-site scripting (XSS) payload. Solution For Splunk Enterprise, upgrade versions to 8.1.14, 8.2.11, 9.0.5, or higher. This vulnerability does not affect Splunk Cloud Platform instances. Product Status Product Version Component Affected Version Fix Version Splunk Enterprise 8.1 Splunk Web 8.1.0 to 8.1.13 8.1.14 Splunk Enterprise 8.2 Splunk Web 8.2.0 to 8.2.10 8.2.11 Splunk Enterprise 9.0 Splunk Web 9.0.0 to 9.0.4 9.0.5 Mitigations and Workarounds If users do not log in to Splunk Web on indexers in a distributed environment, disable Splunk Web on those indexers. See Disable unnecessary Splunk Enterprise components and the web.conf configuration specification file in the Splunk documentation for more information on disabling Splunk Web. Detections o Splunk persistent XSS via URL validation bypass within a dashboard view This detection search provides information on possible persistent XSS exploitation attempts within a dashboard view in Splunk Enterprise versions below 9.0.5, 8.2.11, and 8.1.14. Severity Splunk rated the vulnerability as Medium, 5.4, with a CVSSv3.1 vector of CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. Acknowledgments Danylo Dmytriiev (DDV_UA) - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://auscert.org.au/gpg-key/ iQIVAwUBZHmBwckNZI30y1K9AQglYBAAgklJ6Skgga9BBAeUxBqw+jxm5y2ca/94 Ijlb9RalpKzkaSxr6mth4AI6ErOA/TRn4IbgSwfF1YyX0W0cQgBmYUn9fQh9FAik GtBh0O0rO48uOCe0IO5CS9r6kaLkoTLyh8yt2xzZOHtx7M+jQjn8S/N7cMNsiBjK D4VKfenN5yuCOo3GMXsmKNF2e2hLieoJk3MoiPebfSRU4UwqZNgmJhuGc9P7vOB/ k9dDn24ykVawPGb2YhFNDrQkmJ7skEm7gLYyEmy/nvhUZw+fgmGbb5hRCUpAnNT4 FwOF8bVpWFIOMUdIj2CO4ld1MT9JeysIGWE4VhA8+s8ZZlIfO8nHiuHAP+gUMaqy IEAVuOHHw9wzNAbizGxRJgAyy1HSGy5dvqGlVex8nOTbQAdAB03HNcJ0yBTapXcj pUK3fTtJzJtRNpKeLf00RKvltx8N+hsqhm01LDHTag5lnQtLgbKwRT3hBMhqGkA+ LwgwI5iInGz5ghntubDU6H+cQ0SI3td7HX5GJDyTxP9+BnuECy69uVX8/ZIPxKnW 4cHiYS7yyGGcZLIFjfH6FUiashAnWN7grhoPQMZzRYMRhD+Ow+5LzV/55F3C517S 1e6k6iz3AlTXa0CGJlOUTAs0ScOXSj2UZOPmf8/yLxGhjzMzm++P5mChu2L2AND8 WDDN26ap5+Q= =eP4y -----END PGP SIGNATURE-----