7.5
HIGH
CVE-2016-6323
GNU C Library (glibc) Execution Context Denial of Service
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.

INFO

Published Date :

Oct. 7, 2016, 2:59 p.m.

Last Modified :

Nov. 7, 2023, 2:33 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2016-6323 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Fedoraproject fedora
1 Opensuse opensuse
1 Gnu glibc

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2016-6323 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-6323 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WO7IMEYWZ2WTXGGMZBWWSDCUMFN63XOB/ [No types assigned]
    Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KTXSOVCRDGBIB4WCIDAGYYUBESXZ4IGK/ [No types assigned]
    Added Reference Red Hat, Inc. https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=9e2ff6c9cc54c0b4402b8d49e4abe7000fde7617 [No types assigned]
    Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LVWSAZVBTLALXF4SCBPDV3FY6J22DXLZ/ [No types assigned]
    Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/WO7IMEYWZ2WTXGGMZBWWSDCUMFN63XOB/
    Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/LVWSAZVBTLALXF4SCBPDV3FY6J22DXLZ/
    Removed Reference Red Hat, Inc. https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9e2ff6c9cc54c0b4402b8d49e4abe7000fde7617
    Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/KTXSOVCRDGBIB4WCIDAGYYUBESXZ4IGK/
  • CPE Deprecation Remap by [email protected]

    Oct. 30, 2018

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:novell:opensuse:13.2:*:*:*:*:*:*:* OR *cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 01, 2017

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201706-19 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 02, 2017

    Action Type Old Value New Value
    Added Reference http://www-01.ibm.com/support/docview.wss?uid=swg21995039 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/92532 [No Types Assigned]
  • CVE Translated by [email protected]

    Oct. 12, 2016

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Oct. 11, 2016

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:a:gnu:glibc:2.24:*:*:*:*:*:*:* (and previous) Configuration 2 OR *cpe:2.3:o:novell:opensuse:13.2:*:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/WO7IMEYWZ2WTXGGMZBWWSDCUMFN63XOB/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/WO7IMEYWZ2WTXGGMZBWWSDCUMFN63XOB/ Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-updates/2016-10/msg00009.html No Types Assigned http://lists.opensuse.org/opensuse-updates/2016-10/msg00009.html Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/LVWSAZVBTLALXF4SCBPDV3FY6J22DXLZ/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/LVWSAZVBTLALXF4SCBPDV3FY6J22DXLZ/ Third Party Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/08/18/12 No Types Assigned http://www.openwall.com/lists/oss-security/2016/08/18/12 Third Party Advisory, Mailing List
    Changed Reference Type https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9e2ff6c9cc54c0b4402b8d49e4abe7000fde7617 No Types Assigned https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9e2ff6c9cc54c0b4402b8d49e4abe7000fde7617 Issue Tracking, Patch
    Changed Reference Type https://sourceware.org/bugzilla/show_bug.cgi?id=20435 No Types Assigned https://sourceware.org/bugzilla/show_bug.cgi?id=20435 Issue Tracking
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/KTXSOVCRDGBIB4WCIDAGYYUBESXZ4IGK/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/KTXSOVCRDGBIB4WCIDAGYYUBESXZ4IGK/ Third Party Advisory
    Added CWE CWE-284
  • Initial Analysis by [email protected]

    Oct. 07, 2016

    Action Type Old Value New Value
    Changed CPE Configuration Configuration 1 OR Configuration 1 OR *cpe:2.3:a:gnu:glibc:2.24:*:*:*:*:*:*:* (and previous) Configuration 2 OR *cpe:2.3:o:novell:opensuse:13.2:*:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:C)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/WO7IMEYWZ2WTXGGMZBWWSDCUMFN63XOB/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/WO7IMEYWZ2WTXGGMZBWWSDCUMFN63XOB/ Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-updates/2016-10/msg00009.html No Types Assigned http://lists.opensuse.org/opensuse-updates/2016-10/msg00009.html Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/LVWSAZVBTLALXF4SCBPDV3FY6J22DXLZ/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/LVWSAZVBTLALXF4SCBPDV3FY6J22DXLZ/ Third Party Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/08/18/12 No Types Assigned http://www.openwall.com/lists/oss-security/2016/08/18/12 Mailing List, Third Party Advisory
    Changed Reference Type https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9e2ff6c9cc54c0b4402b8d49e4abe7000fde7617 No Types Assigned https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9e2ff6c9cc54c0b4402b8d49e4abe7000fde7617 Issue Tracking, Patch
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/KTXSOVCRDGBIB4WCIDAGYYUBESXZ4IGK/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/KTXSOVCRDGBIB4WCIDAGYYUBESXZ4IGK/ Third Party Advisory
    Added CWE CWE-284
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-6323 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.49 }} 0.44%

score

0.86563

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability