Cisco Security Advisory
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On August 17, 2021, BlackBerry released a security advisory, QNX-2021-001, that disclosed an integer overflow vulnerability in the following BlackBerry software releases:
- QNX Software Development Platform (SDP) – 6.5.0SP1 and earlier
- QNX OS for Medical – 1.1 and earlier
- QNX OS for Safety – 1.0.1 and earlier
A successful exploit could allow an attacker to execute arbitrary code or cause a denial of service (DoS).
For a description of this vulnerability, see QNX-2021-001.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-qnx-TOxjVPdL
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Vulnerable Products
Cisco has completed its investigation into its product line to determine which products may be affected by this vulnerability. No products are known to be affected. The bugs are accessible through the Cisco Bug Search Tool and contain additional platform-specific information, including workarounds (if available) and fixed software releases.
Products Confirmed Not Vulnerable
The following Cisco products leverage the affected QNX software; however, Cisco has confirmed that the vulnerability is not exploitable on these platforms.
Routing and Switching - Enterprise and Service Provider
- Channelized shared port adapters (SPAs) (CSCvz34866)
- Circuit Emulation over Packet (CEoP) SPAs (CSCvz34865)
- IOS XR 32-bit Software (CSCvz34871)
Note: IOS XR 64-bit Software does not leverage QNX software. - RF Gateway 10 (CSCvz34869)
No other Cisco products are known to be affected by this vulnerability.
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Any workarounds are documented in the product-specific Cisco bugs, which are identified in the Vulnerable Products section of this advisory.
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For information about fixed software releases, consult the Cisco bugs identified in the Vulnerable Products section of this advisory.
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.
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The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of this vulnerability against Cisco products or services.
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This vulnerability was publicly disclosed by BlackBerry on August 17, 2021.
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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.
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Show LessVersion Description Section Status Date 1.4 Updated summary and affected products. Summary, Affected Products Final 2021-AUG-25 1.3 Updated products under investigation and products confirmed not vulnerable. Affected Products Interim 2021-AUG-24 1.2 Added products under investigation. Affected Products Interim 2021-AUG-23 1.1 Corrected broken link. Workarounds Interim 2021-AUG-20 1.0 Initial public release. — Interim 2021-AUG-18
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