CVE-2017-9438
YARA Regexp Malformed Hex String Denial of Service
Description
libyara/re.c in the regexp module in YARA 3.5.0 allows remote attackers to cause a denial of service (stack consumption) via a crafted rule (involving hex strings) that is mishandled in the _yr_re_emit function, a different vulnerability than CVE-2017-9304.
INFO
Published Date :
June 5, 2017, 5:29 p.m.
Last Modified :
Nov. 7, 2023, 2:50 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2017-9438 has a 5 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2017-9438.
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).
[ICSE2020] MemLock DataSet
fuzzing
Makefile M4 C Objective-C DIGITAL Command Language sed Shell C++ Perl Lex
None
Makefile Python Shell CMake JavaScript HTML CSS C++ C Java
[ICSE2020] MemLock DataSet
fuzzing
Makefile Python Shell CMake JavaScript HTML CSS C++ C Java
MemLock_Benchmark: The vulnerability related to Excessive Memory Consumption, which can test the ability of fuzzer for generating inputs that consume lost of memory.
Makefile Python Shell CMake JavaScript HTML CSS C++ C Java
ExMem_Benchmark: The vulnerability related to Excessive Memory Consumption, which can test the ability of fuzzer for generating inputs that consume lost of memory.
Makefile Python Shell CMake JavaScript HTML CSS C++ C Java
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-9438 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-9438 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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XXM224OLGI6KAOROLDPPGGCZ2OQVQ6HH/ [No types assigned] Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FKNXSH5ERG6NELTXCYVJLUPJJJ2TNEBD/ [No types assigned] Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/XXM224OLGI6KAOROLDPPGGCZ2OQVQ6HH/ Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/FKNXSH5ERG6NELTXCYVJLUPJJJ2TNEBD/ -
CVE Modified by [email protected]
May. 06, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/FKNXSH5ERG6NELTXCYVJLUPJJJ2TNEBD/ [No Types Assigned] -
CVE Modified by [email protected]
May. 05, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/XXM224OLGI6KAOROLDPPGGCZ2OQVQ6HH/ [No Types Assigned] -
CWE Remap by [email protected]
Oct. 03, 2019
Action Type Old Value New Value Changed CWE CWE-399 CWE-674 -
Initial Analysis by [email protected]
Jun. 06, 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 https://github.com/VirusTotal/yara/issues/674 No Types Assigned https://github.com/VirusTotal/yara/issues/674 Issue Tracking, Patch Changed Reference Type https://github.com/VirusTotal/yara/commit/10e8bd3071677dd1fa76beeef4bc2fc427cea5e7 No Types Assigned https://github.com/VirusTotal/yara/commit/10e8bd3071677dd1fa76beeef4bc2fc427cea5e7 Patch Added CWE CWE-399 Added CPE Configuration OR *cpe:2.3:a:virustotal:yara:3.5.0:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-9438 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-2017-9438
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.77 }} 0.22%
score
0.78654
percentile