Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.0780 Cisco Network Services Orchestrator Path Traversal Vulnerability 4 March 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco Network Services Orchestrator (NSO) Publisher: Cisco Systems Operating System: Cisco Impact/Access: Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2021-1132 Original Bulletin: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nso-path-trvsl-dZRQE8Lc - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco Network Services Orchestrator Path Traversal Vulnerability Priority: Medium Advisory ID: cisco-sa-nso-path-trvsl-dZRQE8Lc First Published: 2021 March 3 16:00 GMT Version 1.0: Final Workarounds: No workarounds available Cisco Bug IDs: CSCvv48959 CVE Names: CVE-2021-1132 CWEs: CWE-35 Summary o A vulnerability in the API subsystem and in the web-management interface of Cisco Network Services Orchestrator (NSO) could allow an unauthenticated, remote attacker to access sensitive data. This vulnerability exists because the web-management interface and certain HTTP-based APIs do not properly validate user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request that contains directory traversal character sequences to an affected system. A successful exploit could allow the attacker to access sensitive files on the affected system. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nso-path-trvsl-dZRQE8Lc Affected Products o Vulnerable Products At the time of publication, this vulnerability affected Cisco NSO releases 5.3 and 5.4. See the Details section in the bug ID(s) at the top of this advisory for the most complete and current information. Products Confirmed Not Vulnerable Only products listed in the Vulnerable Products section of this advisory are known to be affected by this vulnerability. Workarounds o There are no workarounds that address this vulnerability. Fixed Software o When considering software upgrades , customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories page , to determine exposure and a complete upgrade solution. In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers. Fixed Releases At the time of publication, the release information in the following table (s) was accurate. See the Details section in the bug ID(s) at the top of this advisory for the most complete and current information. The left column lists Cisco software releases, and the right column indicates whether a release was affected by the vulnerability described in this advisory and which release included the fix for this vulnerability. NSO Major Release First Fixed Release 5.2 and earlier Not vulnerable. 5.3 5.3.3 5.4 5.4.1 Exploitation and Public Announcements o The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory. Source o This vulnerability was found during internal security testing. Cisco Security Vulnerability Policy o To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy . This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco. URL o https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nso-path-trvsl-dZRQE8Lc Revision History o +----------+---------------------------+----------+--------+--------------+ | Version | Description | Section | Status | Date | +----------+---------------------------+----------+--------+--------------+ | 1.0 | Initial public release. | - | Final | 2021-MAR-03 | +----------+---------------------------+----------+--------+--------------+ - --------------------------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. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYEA6rONLKJtyKPYoAQgF+Q//eXh37QcIJIJxmPzqj1BlES5I+d57jMo3 hGwzhj+qruDMJgd65X/NOOZyJbg0p/KLK+4J6P74g6vx0xH4KrlDsXu5OyxShqk1 KHTiqHnjVY6wdcnYzcDsXInbwTKpvomP+pvuTqWejM0iHAZmIF0t7OFpxIKb2nf0 tdyvzHhZB1aCWfWsH9oOTLNiZ/Vcv72lilNWdDUviBQ4A+Tdewm9Bq6yIgnAi6lz i96/soD/ekSCHvrCQzHobfj/a2DAI/c6OG4BnUMko/Fmz4/UmujsGbKskmRpBwvm 66MeRBFgdeCVC7BXBchKX9yar4sXmlOwz84aQNWwPOBw4gSJdheaoIfGS2LPPzss 4KSR0jnUKcbFT9gm24qRIQEcfmsBTTxIQ6t9fFZvuABVg0fgsogWOvmKRHm4Bylg PlqqyqsBPDx1H+GC4vnvgZVhWv4R6mtVc3Lmo/ZuFjA2HmGND371jWri7ZGdUghc gXDBDjmghVHRpEdCOfsfw9m+IOOazRTz6tCYiDGm3M27DxaUfflc/k5INmFOSdXx w8SK6ROkfGc5qwIibLPzRPVp9pR60p62x0SxC/QEBWnhqGcfYQqQZgjALcDKPi2k LX1VSfnqN9CuP5C9lVTGIrgRplnRflyMcbWZuFUH3JiG9JtzohDFqxT6hSrUvW/i 25hTEDdmISo= =goE3 -----END PGP SIGNATURE-----