CVE-2018-6340
HHVM Memcache Out-of-Bounds Read Vulnerability
Description
The Memcache::getextendedstats function can be used to trigger an out-of-bounds read. Exploiting this issue requires control over memcached server hostnames and/or ports. This affects all supported versions of HHVM (3.30 and 3.27.4 and below).
INFO
Published Date :
Dec. 31, 2018, 10:29 p.m.
Last Modified :
Oct. 9, 2019, 11:41 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.2
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-2018-6340.
| URL | Resource |
|---|---|
| https://github.com/facebook/hhvm/commit/4bff3bfbe90d10451e4638c2118d1ad1117bb3e3 | Patch Third Party Advisory |
| https://hhvm.com/blog/2018/12/18/hhvm-3.30.1.html | 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-6340 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-6340 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]
Oct. 09, 2019
Action Type Old Value New Value Added CWE Facebook, Inc. CWE-125 -
Initial Analysis by [email protected]
Jan. 14, 2019
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://hhvm.com/blog/2018/12/18/hhvm-3.30.1.html No Types Assigned https://hhvm.com/blog/2018/12/18/hhvm-3.30.1.html Third Party Advisory Changed Reference Type https://github.com/facebook/hhvm/commit/4bff3bfbe90d10451e4638c2118d1ad1117bb3e3 No Types Assigned https://github.com/facebook/hhvm/commit/4bff3bfbe90d10451e4638c2118d1ad1117bb3e3 Patch, Third Party Advisory Added CWE CWE-125 Added CPE Configuration OR *cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:* versions up to (including) 3.27.4 *cpe:2.3:a:facebook:hhvm:3.30:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-6340 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-2018-6340
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.24 }} 0.01%
score
0.64510
percentile