6.2
MEDIUM
CVE-2016-7042
Linux proc_keys_show Stack Buffer Overflow Vulnerability
Description

The proc_keys_show function in security/keys/proc.c in the Linux kernel through 4.8.2, when the GNU Compiler Collection (gcc) stack protector is enabled, uses an incorrect buffer size for certain timeout data, which allows local users to cause a denial of service (stack memory corruption and panic) by reading the /proc/keys file.

INFO

Published Date :

Oct. 16, 2016, 9:59 p.m.

Last Modified :

Jan. 5, 2018, 2:31 a.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

2.5
Public PoC/Exploit Available at Github

CVE-2016-7042 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2016-7042 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 Linux linux_kernel

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).

None

Python

Updated: 1 month, 1 week ago
9 stars 1 fork 1 watcher
Born at : Aug. 30, 2017, 2:37 p.m. This repo has been linked 1269 different CVEs too.

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

The following list is the news that have been mention CVE-2016-7042 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-7042 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]

    Jan. 05, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2017:2077 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2017:1842 [No Types Assigned]
    Added Reference http://rhn.redhat.com/errata/RHSA-2017-0817.html [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 31, 2017

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2017:2669 [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 07, 2017

    Action Type Old Value New Value
    Added Reference https://source.android.com/security/bulletin/2017-01-01.html [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/93544 [No Types Assigned]
  • Modified Analysis by [email protected]

    Oct. 18, 2016

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:o:linux:linux_kernel:4.8.2:*:*:*:*:*:*:* (and previous)
    Added CVSS V2 (AV:L/AC:L/Au:N/C:N/I:N/A:C)
    Added CVSS V3 AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1373966 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1373966 Third Party Advisory, Issue Tracking
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/10/13/5 No Types Assigned http://www.openwall.com/lists/oss-security/2016/10/13/5 Mailing List
    Added CWE CWE-119
  • Initial Analysis by [email protected]

    Oct. 17, 2016

    Action Type Old Value New Value
    Changed CPE Configuration Configuration 1 OR Configuration 1 OR *cpe:2.3:o:linux:linux_kernel:4.8.2:*:*:*:*:*:*:* (and previous)
    Added CVSS V2 (AV:L/AC:L/Au:N/C:N/I:N/A:C)
    Added CVSS V3 AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1373966 Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1373966 Issue Tracking, Third Party Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/10/13/5 No Types Assigned http://www.openwall.com/lists/oss-security/2016/10/13/5 Mailing List
    Added CWE CWE-119
  • CVE Translated by [email protected]

    Oct. 17, 2016

    Action Type Old Value New Value
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.
Exploit Prediction

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

0.12 }} 0.00%

score

0.44782

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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Scope
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