CVE-2017-8294
YARA Regex Denial of Service
Description
libyara/re.c in the regex component in YARA 3.5.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted rule that is mishandled in the yr_re_exec function.
INFO
Published Date :
April 27, 2017, 2:59 p.m.
Last Modified :
May 3, 2017, 12:21 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
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-2017-8294.
| URL | Resource |
|---|---|
| http://www.securityfocus.com/bid/98072 | Third Party Advisory VDB Entry |
| https://github.com/VirusTotal/yara/commit/83d799804648c2a0895d40a19835d9b757c6fa4e | Patch |
| https://github.com/VirusTotal/yara/issues/646 | Issue Tracking Patch |
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-2017-8294 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-8294 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 -
Initial Analysis by [email protected]
May. 03, 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://www.securityfocus.com/bid/98072 No Types Assigned http://www.securityfocus.com/bid/98072 Third Party Advisory, VDB Entry Changed Reference Type https://github.com/VirusTotal/yara/commit/83d799804648c2a0895d40a19835d9b757c6fa4e No Types Assigned https://github.com/VirusTotal/yara/commit/83d799804648c2a0895d40a19835d9b757c6fa4e Patch Changed Reference Type https://github.com/VirusTotal/yara/issues/646 No Types Assigned https://github.com/VirusTotal/yara/issues/646 Issue Tracking, Patch Added CWE CWE-125 Added CPE Configuration OR *cpe:2.3:a:virustotal:yara:3.5.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 02, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/98072 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-8294 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-2017-8294
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.47 }} 0.12%
score
0.71957
percentile