7.5
HIGH
CVE-2018-6951
GNU Patch NULL Pointer Dereference Denial of Service
Description

An issue was discovered in GNU patch through 2.7.6. There is a segmentation fault, associated with a NULL pointer dereference, leading to a denial of service in the intuit_diff_type function in pch.c, aka a "mangled rename" issue.

INFO

Published Date :

Feb. 13, 2018, 7:29 p.m.

Last Modified :

Nov. 21, 2024, 4:11 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2018-6951 has a 2 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-2018-6951 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 Canonical ubuntu_linux
1 Gnu patch
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-2018-6951.

URL Resource
http://www.securityfocus.com/bid/103044 Third Party Advisory VDB Entry
https://git.savannah.gnu.org/cgit/patch.git/commit/?id=f290f48a621867084884bfff87f8093c15195e6a Patch Vendor Advisory
https://savannah.gnu.org/bugs/index.php?53132 Issue Tracking Vendor Advisory
https://security.gentoo.org/glsa/201904-17
https://usn.ubuntu.com/3624-1/ Third Party Advisory
http://www.securityfocus.com/bid/103044 Third Party Advisory VDB Entry
https://git.savannah.gnu.org/cgit/patch.git/commit/?id=f290f48a621867084884bfff87f8093c15195e6a Patch Vendor Advisory
https://savannah.gnu.org/bugs/index.php?53132 Issue Tracking Vendor Advisory
https://security.gentoo.org/glsa/201904-17
https://usn.ubuntu.com/3624-1/ Third Party Advisory

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).

Test container known to be vulnerable. Do NOT use this apart from for testing

Dockerfile

Updated: 4 years, 8 months ago
1 stars 0 fork 0 watcher
Born at : Nov. 1, 2019, 3:43 p.m. This repo has been linked 37 different CVEs too.

None

Updated: 4 years, 10 months ago
1 stars 0 fork 0 watcher
Born at : July 17, 2018, 7:48 p.m. This repo has been linked 494 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-2018-6951 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-6951 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://www.securityfocus.com/bid/103044
    Added Reference https://git.savannah.gnu.org/cgit/patch.git/commit/?id=f290f48a621867084884bfff87f8093c15195e6a
    Added Reference https://savannah.gnu.org/bugs/index.php?53132
    Added Reference https://security.gentoo.org/glsa/201904-17
    Added Reference https://usn.ubuntu.com/3624-1/
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Apr. 17, 2019

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201904-17 [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 05, 2019

    Action Type Old Value New Value
    Changed Reference Type https://usn.ubuntu.com/3624-1/ No Types Assigned https://usn.ubuntu.com/3624-1/ Third Party Advisory
    Changed Reference Type https://savannah.gnu.org/bugs/index.php?53132 Vendor Advisory https://savannah.gnu.org/bugs/index.php?53132 Issue Tracking, Vendor Advisory
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Apr. 12, 2018

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3624-1/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 14, 2018

    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://www.securityfocus.com/bid/103044 No Types Assigned http://www.securityfocus.com/bid/103044 Third Party Advisory, VDB Entry
    Changed Reference Type https://savannah.gnu.org/bugs/index.php?53132 No Types Assigned https://savannah.gnu.org/bugs/index.php?53132 Vendor Advisory
    Changed Reference Type https://git.savannah.gnu.org/cgit/patch.git/commit/?id=f290f48a621867084884bfff87f8093c15195e6a No Types Assigned https://git.savannah.gnu.org/cgit/patch.git/commit/?id=f290f48a621867084884bfff87f8093c15195e6a Patch, Vendor Advisory
    Added CWE CWE-476
    Added CPE Configuration OR *cpe:2.3:a:gnu:patch:*:*:*:*:*:*:*:* versions up to (including) 2.7.6
  • CVE Modified by [email protected]

    Feb. 17, 2018

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/103044 [No Types Assigned]
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-2018-6951 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-2018-6951 weaknesses.

Exploit Prediction

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

0.92 }} -0.34%

score

0.82721

percentile

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