Bug 1188578 - patch: infinite loop with a crafted diff
Summary: patch: infinite loop with a crafted diff
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1188583
Blocks: 1188579
TreeView+ depends on / blocked
 
Reported: 2015-02-03 09:56 UTC by Vasyl Kaigorodov
Modified: 2019-09-29 13:27 UTC (History)
1 user (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2015-08-25 06:00:56 UTC
Embargoed:

Attachments (Terms of Use)
loop2.patch.gz (187 bytes, application/gzip)
2015-02-03 09:58 UTC, Vasyl Kaigorodov 		no flags Details
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Description Vasyl Kaigorodov 2015-02-03 09:56:43 UTC 
It was reported [1] that when processing a crafted diff patch will loop infinitely, which can lead to resourse consumption and local denial of service.

[1]: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=776271
Comment 1 Vasyl Kaigorodov 2015-02-03 09:58:36 UTC 
Created attachment 987476 [details]
loop2.patch.gz
Comment 2 Vasyl Kaigorodov 2015-02-03 10:00:34 UTC 
Added a reroducer, you can run it like this:

  $ patch any.h -i loop2.patch
Comment 3 Vasyl Kaigorodov 2015-02-03 10:02:14 UTC 
Created patch tracking bugs for this issue:

Affects: fedora-all [bug 1188583]
Comment 4 Fedora Update System 2015-02-05 05:23:13 UTC 
patch-2.7.4-1.fc21 has been pushed to the Fedora 21 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 5 Fedora Update System 2015-04-04 07:20:39 UTC 
patch-2.7.5-1.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.
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