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Category:   Application (Generic)  >   PCRE Vendors:   pcre.org
(Ubuntu Issues Fix) PCRE Heap Overflow in pcre_compile2() in Processing Certain Regex Patterns May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1035431
SecurityTracker URL:  http://securitytracker.com/id/1035431
CVE Reference:   CVE-2016-1283   (Links to External Site)
Date:  Mar 29 2016
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 8.38
Description:   A vulnerability was reported in PCRE. A remote user may be able to cause arbitrary code to be executed on the target user's system.

A remote user can create a specially crafted regular expression (regex) pattern that, when compiled by the target application, will trigger a heap overflow and cause denial of service conditions or potentially execute arbitrary code on the target system. The code will run with the privileges of the target application.

The vulnerability resides in the pcre_compile2() function in 'pcre_compile.c'.

The original advisory is available at:

https://bugs.exim.org/show_bug.cgi?id=1767

Wen Guanxing from Venustech ADLAB reported this vulnerability.

Impact:   A remote user can create a regex pattern that, when loaded by the target application, may cause denial of service conditions or execute arbitrary code on the target system.
Solution:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

http://www.ubuntu.com/usn/usn-2943-1

Vendor URL:  www.ubuntu.com/usn/usn-2943-1 (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  12.04 LTS, 14.04 LTS, 15.10

Message History:   This archive entry is a follow-up to the message listed below.
Jan 3 2016 PCRE Heap Overflow in pcre_compile2() in Processing Certain Regex Patterns May Let Remote Users Execute Arbitrary Code



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