CVE-2018-6836
Wireshark uninitialized memory free vulnerability
Description
The netmonrec_comment_destroy function in wiretap/netmon.c in Wireshark through 2.4.4 performs a free operation on an uninitialized memory address, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.
INFO
Published Date :
Feb. 8, 2018, 7:29 a.m.
Last Modified :
Nov. 7, 2023, 3 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
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-2018-6836.
| URL | Resource |
|---|---|
| https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14397 | Exploit Issue Tracking Third Party Advisory |
| https://code.wireshark.org/review/#/c/25660/ | Issue Tracking Patch |
| https://code.wireshark.org/review/#/c/25660/2/wiretap/netmon.c | Patch |
| https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=28960d79cca262ac6b974f339697b299a1e28fef |
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-2018-6836 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-6836 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 MITRE https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=28960d79cca262ac6b974f339697b299a1e28fef [No types assigned] Removed Reference MITRE https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=28960d79cca262ac6b974f339697b299a1e28fef -
CWE Remap by [email protected]
Aug. 24, 2020
Action Type Old Value New Value Changed CWE CWE-119 CWE-763 -
Initial Analysis by [email protected]
Mar. 10, 2018
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=28960d79cca262ac6b974f339697b299a1e28fef No Types Assigned https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=28960d79cca262ac6b974f339697b299a1e28fef Issue Tracking, Patch Changed Reference Type https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14397 No Types Assigned https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14397 Exploit, Issue Tracking, Third Party Advisory Changed Reference Type https://code.wireshark.org/review/#/c/25660/ No Types Assigned https://code.wireshark.org/review/#/c/25660/ Issue Tracking, Patch Changed Reference Type https://code.wireshark.org/review/#/c/25660/2/wiretap/netmon.c No Types Assigned https://code.wireshark.org/review/#/c/25660/2/wiretap/netmon.c Patch Added CWE CWE-119 Added CPE Configuration OR *cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* versions up to (including) 2.4.4
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-6836 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-2018-6836
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.79 }} 0.14%
score
0.79102
percentile