Summary
Successful exploitation of these vulnerabilities could result in a denial-of-service condition on both the logging function of the device and its associated server.
Vulnerabilities 2
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High 7.5
X.509 Email Address 4-byte Buffer Overflow
A buffer overrun can be triggered in X.509 certificate verification, specifically in name constraint checking. Note that this occurs after certificate chain signature verification and requires either a CA to have signed the malicious certificate or for the ap…
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High 7.5
X.509 Email Address Variable Length Buffer Overflow
A buffer overrun can be triggered in X.509 certificate verification, specifically in name constraint checking. Note that this occurs after certificate chain signature verification and requires either a CA to have signed a malicious certificate or for an appli…
Revision history
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#1
Publication Date
References
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ICS Advisory ICSA-23-019-01 Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-23-019-01
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Recommended Practices
https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf