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Bug 1401985 - (CVE-2017-1000098) CVE-2017-1000098 golang: net/http: multipart ReadForm close file after copy
CVE-2017-1000098 golang: net/http: multipart ReadForm close file after copy
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
: ---
: ---
Assigned To: Red Hat Product Security
impact=moderate,public=20161201,repor...
: Reopened, Security
Depends On: 1401987 1401988 1405647 1405648
Blocks: 1401989
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Reported: 2016-12-06 09:10 EST by Adam Mariš
Modified: 2018-08-03 02:55 EDT (History)
46 users (show)

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Fixed In Version: golang 1.6.4, golang 1.7.4
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Last Closed: 2017-01-11 20:24:34 EST
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RHEL 7.3 requirements from Atomic Host:
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Description Adam Mariš 2016-12-06 09:10:09 EST 
The net/http package's Request.ParseMultipartForm method starts writing to temporary files once the request body size surpasses the given "maxMemory" limit. It was possible for an attacker to generate a multipart request crafted such that the server ran out of file descriptors.

Upstream bug:

https://github.com/golang/go/issues/17965

Upstream patch:

https://go-review.googlesource.com/#/c/30410/

External Reference:

https://groups.google.com/forum/#!msg/golang-dev/4NdLzS8sls8/uIz8QlnIBQAJ
Comment 1 Adam Mariš 2016-12-06 09:11:07 EST 
Created golang tracking bugs for this issue:

Affects: fedora-all [bug 1401987]
Affects: epel-all [bug 1401988]
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