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Category:   Application (VPN)  >   GnuTLS Vendors:
(Ubuntu Issues Fix) GnuTLS ECC Certificate Processing Flaw Lets Remote Users Deny Service
SecurityTracker Alert ID:  1031208
SecurityTracker URL:
CVE Reference:   CVE-2014-8564   (Links to External Site)
Date:  Nov 12 2014
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to versions 3.1.28, 3.2.20, 3.3.10
Description:   A vulnerability was reported in GnuTLS. A remote user can cause denial of service conditions.

A remote user can send a specially crafted Elliptic Curve Cryptography (ECC) certificate or certificate signing request (CSR) that, when processed by the target application, will trigger a heap corruption error and cause the application to crash.

The error occurs when printing information (e.g., key ID) about the public key.

Sean Burford reported this vulnerability.

Impact:   A remote user can cause the target application to crash.
Solution:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  14.10

Message History:   This archive entry is a follow-up to the message listed below.
Nov 12 2014 GnuTLS ECC Certificate Processing Flaw Lets Remote Users Deny Service

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