Vulnerability CVE-2016-6323
Published: 2016-10-07

Description:
The makecontext function in the GNU C Library (aka glibc or libc6) before 2.25 creates execution contexts incompatible with the unwinder on ARM EABI (32-bit) platforms, which might allow context-dependent attackers to cause a denial of service (hang), as demonstrated by applications compiled using gccgo, related to backtrace generation.

Type:

CWE-284

 (Improper Access Control)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Opensuse -> Opensuse 
Novell -> Opensuse 
GNU -> Glibc 
Fedoraproject -> Fedora 

 References:
http://lists.opensuse.org/opensuse-updates/2016-10/msg00009.html
http://www-01.ibm.com/support/docview.wss?uid=swg21995039
http://www.openwall.com/lists/oss-security/2016/08/18/12
http://www.securityfocus.com/bid/92532
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KTXSOVCRDGBIB4WCIDAGYYUBESXZ4IGK/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LVWSAZVBTLALXF4SCBPDV3FY6J22DXLZ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WO7IMEYWZ2WTXGGMZBWWSDCUMFN63XOB/
https://security.gentoo.org/glsa/201706-19
https://sourceware.org/bugzilla/show_bug.cgi?id=20435
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9e2ff6c9cc54c0b4402b8d49e4abe7000fde7617
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