Bug 1315647 - (CVE-2016-1234) CVE-2016-1234 glibc: Stack-based buffer overflow in glob with GLOB_ALTDIRFUNC and crafted directory
CVE-2016-1234 glibc: Stack-based buffer overflow in glob with GLOB_ALTDIRFUNC...
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
: Reopened, Security
Depends On: 1315648
Blocks: 1315649
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Reported: 2016-03-08 05:41 EST by Adam Mariš
Modified: 2017-11-08 13:23 EST (History)
17 users (show)

See Also:
Fixed In Version: glibc 2.24
Doc Type: Bug Fix
Doc Text:
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Last Closed: 2016-08-11 06:42:00 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Adam Mariš 2016-03-08 05:41:33 EST
It was found that glob implementation in glibc does not correctly handle overlong names in struct dirent buffers when GLOB_ALTDIRFUNC is used, causing large stack-based buffer overflow with controlled length and content.

Upstream bug (contains reproducer):

Comment 1 Adam Mariš 2016-03-08 05:42:04 EST
Created glibc tracking bugs for this issue:

Affects: fedora-all [bug 1315648]
Comment 7 Stefan Cornelius 2016-08-11 06:41:34 EDT

Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.

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