Bug 1445185 – CVE-2017-7476 gnulib: Out-of-bounds write by setting a large TZ variable

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Bug 1445185 - (CVE-2017-7476) CVE-2017-7476 gnulib: Out-of-bounds write by setting a large TZ variable

Summary:	CVE-2017-7476 gnulib: Out-of-bounds write by setting a large TZ variable

Status:	CLOSED NOTABUG

Aliases:	CVE-2017-7476

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	high Severity high
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Assigned To:	Red Hat Product Security
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Whiteboard:	impact=important,public=20170427,repo...
Keywords:	Security

Depends On:	1444774
Blocks:	1445186
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Reported:	2017-04-25 04:29 EDT by Andrej Nemec
Modified:	2017-05-02 15:35 EDT (History)
CC List:	9 users (show)

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Last Closed:	2017-05-02 15:35:48 EDT
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Description Andrej Nemec 2017-04-25 04:29:13 EDT

An out-of-bounds heap write vulnerability was found in date. Maliciously crafted TZ variable could be used to run arbitrary code as the user running date.

Comment 1 Andrej Nemec 2017-04-25 04:33:14 EDT

Acknowledgments:

Name: Pádraig Brady

Comment 2 Kamil Dudka 2017-04-27 04:09:24 EDT

As the fix is already pushed to public git repositories, could the embargo be canceled and the corresponding bugs made public?

Thanks in advance!

Comment 3 Andrej Nemec 2017-04-27 04:25:18 EDT

Upstream patch:

http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=commitdiff;h=94e01571

Comment 4 Tomas Hoger 2017-04-27 04:29:21 EDT

This really is a gnulib issue, and gnulib is embedded in coreutils.

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