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Category:   OS (UNIX)  >   OpenBSD Kernel Vendors:   OpenBSD
OpenBSD Null Pointer Dereference in Client Certificate Validation in rsa_pss_decode() Lets Remote Users Deny Service
SecurityTracker Alert ID:  1034542
SecurityTracker URL:
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Dec 29 2015
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5.7, 5.8
Description:   A vulnerability was reported in OpenBSD. A remote user can cause denial of service conditions on the target system.

A remote user can send specially crafted certificate data via TLS/SSL to trigger a null pointer dereference in rsa_pss_decode() when the target service is configured to verify client certificates and cause unspecified denial of service conditions.

Impact:   A remote user can cause denial of service conditions.
Solution:   The vendor has issued a patch, available at:

Vendor URL: (Links to External Site)
Cause:   Access control error

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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