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Category:   Application (Generic)  >   CVS Vendors:   GNU [multiple authors]
CVS Heap Overflow in Processing RCS Files Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1024795
SecurityTracker URL:  http://securitytracker.com/id/1024795
CVE Reference:   CVE-2010-3846   (Links to External Site)
Date:  Nov 29 2010
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.11.23
Description:   A vulnerability was reported in CVS. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create a specially crafted RCS formatted file that, when checked out by the target user, will trigger a heap overflow and execute arbitrary code on the target system. The code will run with the privileges of the target user.

Ralph Loader reported this vulnerability.

Impact:   A remote user can create a file that, when checked out by the target user, will execute arbitrary code on the target user's system.
Solution:   The vendor has issued a source code fix [in October 2010], available at:

http://cvs.savannah.gnu.org/viewvc/cvs/ccvs/src/rcs.c?r1=1.262.4.65&r2=1.262.4.66&sortby=rev

Vendor URL:  www.nongnu.org/cvs/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Nov 29 2010 (Red Hat Issues Fix) CVS Heap Overflow in Processing RCS Files Lets Remote Users Execute Arbitrary Code
Red Hat has issued a fix for Red Hat Enterprise Linux 6.



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