7.5
HIGH
CVE-2016-6866
Samsung slock NULL Pointer Dereference Vulnerability
Description

slock allows attackers to bypass the screen lock via vectors involving an invalid password hash, which triggers a NULL pointer dereference and crash.

INFO

Published Date :

Feb. 15, 2017, 7:59 p.m.

Last Modified :

Nov. 21, 2024, 2:56 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2016-6866 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 Suckless slock
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2016-6866.

URL Resource
http://git.suckless.org/slock/commit/?id=d8bec0f6fdc8a246d78cb488a0068954b46fcb29 Patch Vendor Advisory
http://s1m0n.dft-labs.eu/files/slock/slock.txt Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/08/18/22 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/08/18/24 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/92546 Third Party Advisory VDB Entry
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2FYPV6QQPPYBL3Z2BYNYEJB67FSC55OR/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RZPEJQNVODYSI4WQXM5GQKXRO7TPK2VG/
http://git.suckless.org/slock/commit/?id=d8bec0f6fdc8a246d78cb488a0068954b46fcb29 Patch Vendor Advisory
http://s1m0n.dft-labs.eu/files/slock/slock.txt Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/08/18/22 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/08/18/24 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/92546 Third Party Advisory VDB Entry
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2FYPV6QQPPYBL3Z2BYNYEJB67FSC55OR/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RZPEJQNVODYSI4WQXM5GQKXRO7TPK2VG/

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-2016-6866 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-6866 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://git.suckless.org/slock/commit/?id=d8bec0f6fdc8a246d78cb488a0068954b46fcb29
    Added Reference http://s1m0n.dft-labs.eu/files/slock/slock.txt
    Added Reference http://www.openwall.com/lists/oss-security/2016/08/18/22
    Added Reference http://www.openwall.com/lists/oss-security/2016/08/18/24
    Added Reference http://www.securityfocus.com/bid/92546
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2FYPV6QQPPYBL3Z2BYNYEJB67FSC55OR/
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RZPEJQNVODYSI4WQXM5GQKXRO7TPK2VG/
  • 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 MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RZPEJQNVODYSI4WQXM5GQKXRO7TPK2VG/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2FYPV6QQPPYBL3Z2BYNYEJB67FSC55OR/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/RZPEJQNVODYSI4WQXM5GQKXRO7TPK2VG/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/2FYPV6QQPPYBL3Z2BYNYEJB67FSC55OR/
  • Initial Analysis by [email protected]

    Feb. 17, 2017

    Action Type Old Value New Value
    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 http://s1m0n.dft-labs.eu/files/slock/slock.txt No Types Assigned http://s1m0n.dft-labs.eu/files/slock/slock.txt Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/92546 No Types Assigned http://www.securityfocus.com/bid/92546 Third Party Advisory, VDB Entry
    Changed Reference Type http://git.suckless.org/slock/commit/?id=d8bec0f6fdc8a246d78cb488a0068954b46fcb29 No Types Assigned http://git.suckless.org/slock/commit/?id=d8bec0f6fdc8a246d78cb488a0068954b46fcb29 Vendor Advisory, Patch
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/2FYPV6QQPPYBL3Z2BYNYEJB67FSC55OR/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/2FYPV6QQPPYBL3Z2BYNYEJB67FSC55OR/ Third Party Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/08/18/22 No Types Assigned http://www.openwall.com/lists/oss-security/2016/08/18/22 Third Party Advisory, Mailing List
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/08/18/24 No Types Assigned http://www.openwall.com/lists/oss-security/2016/08/18/24 Third Party Advisory, Mailing List
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/RZPEJQNVODYSI4WQXM5GQKXRO7TPK2VG/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/RZPEJQNVODYSI4WQXM5GQKXRO7TPK2VG/ Third Party Advisory
    Added CWE CWE-476
    Added CPE Configuration OR *cpe:2.3:a:suckless:slock:1.3:*:*:*:*:*:*:* (and previous)
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:*
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-2016-6866 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2016-6866 weaknesses.

Exploit Prediction

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

0.91 }} 0.10%

score

0.82539

percentile

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