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Category:   Application (VPN)  >   OpenSSL Vendors:   OpenSSL.org
OpenSSL Out-of-Bounds Memory Read Error in TS_OBJ_print_bio() Lets Local Users Cause Denial of Service Conditions on the Target Application
SecurityTracker Alert ID:  1036486
SecurityTracker URL:  http://securitytracker.com/id/1036486
CVE Reference:   CVE-2016-2180   (Links to External Site)
Date:  Aug 1 2016
Impact:   Denial of service via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.0.2h and prior versions
Description:   A vulnerability was reported in OpenSSL. A local user can cause denial of service conditions on the target application.

A local user can supply a specially crafted timestamp file that, when processed by the target application using the OpenSSL library, will trigger an out-of-bounds memory read error in TS_OBJ_print_bio() in 'crypto/ts/ts_lib.c' and cause the target application to crash.

Impact:   A local user can cause denial of service conditions on the target application.
Solution:   The vendor has issued a source code fix, available at:

https://github.com/openssl/openssl/commit/0ed26acce328ec16a3aa635f1ca37365e8c7403a

Vendor URL:  openssl.org/ (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Sep 23 2016 (FreeBSD Issues Fix) OpenSSL Out-of-Bounds Memory Read Error in TS_OBJ_print_bio() Lets Local Users Cause Denial of Service Conditions on the Target Application
FreeBSD has issued a fix for FreeBSD 9.3, 10.1, 10.2, 10.3, and 11.0.
Nov 15 2016 (IBM Issues Fix for IBM AIX) OpenSSL Out-of-Bounds Memory Read Error in TS_OBJ_print_bio() Lets Local Users Cause Denial of Service Conditions on the Target Application
IBM has issued a fix for IBM AIX 5.3, 6.1, 7.1, and 7.2.



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