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CVE-2016-6323

Date: October 7, 2016

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.

Language: C

Severity Score

Related Resources (13)

http://www.openwall.com/lists/oss-security/2016/08/18/12
https://security.gentoo.org/glsa/201706-19
https://nvd.nist.gov/vuln/detail/CVE-2016-6323
https://security-tracker.debian.org/tracker/CVE-2016-6323
https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=9e2ff6c9cc54c0b4402b8d49e4abe7000fde7617
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KTXSOVCRDGBIB4WCIDAGYYUBESXZ4IGK/
http://www.securityfocus.com/bid/92532
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WO7IMEYWZ2WTXGGMZBWWSDCUMFN63XOB/
http://lists.opensuse.org/opensuse-updates/2016-10/msg00009.html
https://sourceware.org/bugzilla/show_bug.cgi?id=20435
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LVWSAZVBTLALXF4SCBPDV3FY6J22DXLZ/
http://www-01.ibm.com/support/docview.wss?uid=swg21995039
https://www.mend.io/vulnerability-database/CVE-2016-6323

Severity Score

Weakness Type (CWE)

Improper Access Control

CWE-284

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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