CVE-2016-9296
P7zip Null Pointer Dereference Denial of Service Vulnerability
Description
A null pointer dereference bug affects the 16.02 and many old versions of p7zip. A lack of null pointer check for the variable folders.PackPositions in function CInArchive::ReadAndDecodePackedStreams in CPP/7zip/Archive/7z/7zIn.cpp, as used in the 7z.so library and in 7z applications, will cause a crash and a denial of service when decoding malformed 7z files.
INFO
Published Date :
Nov. 12, 2016, 2:59 a.m.
Last Modified :
Nov. 29, 2016, 6:03 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2016-9296 has a 2 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-2016-9296.
| URL | Resource |
|---|---|
| http://www.securityfocus.com/bid/94294 | Third Party Advisory VDB Entry |
| https://github.com/yangke/7zip-null-pointer-dereference | Issue Tracking Patch Third Party Advisory |
| https://sourceforge.net/p/p7zip/bugs/185/ | Issue Tracking Third Party Advisory |
| https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/ | Exploit 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).
None
This repository is for CVE bug report of p7zip only
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2016-9296 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-9296 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 -
Modified Analysis by [email protected]
Nov. 29, 2016
Action Type Old Value New Value Changed Reference Type http://www.securityfocus.com/bid/94294 No Types Assigned http://www.securityfocus.com/bid/94294 Third Party Advisory, VDB Entry -
CVE Modified by [email protected]
Nov. 28, 2016
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/94294 [No Types Assigned] -
Modified Analysis by [email protected]
Nov. 14, 2016
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:a:7-zip:p7zip:16.02:*:*:*:*:*:*:* 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/yangke/7zip-null-pointer-dereference No Types Assigned https://github.com/yangke/7zip-null-pointer-dereference Third Party Advisory, Issue Tracking, Patch Changed Reference Type https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/ No Types Assigned https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/ Third Party Advisory, Exploit Changed Reference Type https://sourceforge.net/p/p7zip/bugs/185/ No Types Assigned https://sourceforge.net/p/p7zip/bugs/185/ Third Party Advisory, Issue Tracking Added CWE CWE-476 -
Initial Analysis by [email protected]
Nov. 14, 2016
Action Type Old Value New Value Changed CPE Configuration Configuration 1 OR Configuration 1 OR *cpe:2.3:a:7-zip:p7zip:16.02:*:*:*:*:*:*:* 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/yangke/7zip-null-pointer-dereference No Types Assigned https://github.com/yangke/7zip-null-pointer-dereference Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/ No Types Assigned https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/ Exploit, Third Party Advisory Changed Reference Type https://sourceforge.net/p/p7zip/bugs/185/ No Types Assigned https://sourceforge.net/p/p7zip/bugs/185/ Issue Tracking, Third Party Advisory Added CWE CWE-476 -
CVE Translated by [email protected]
Nov. 12, 2016
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2016-9296 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-2016-9296
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.18 }} 0.00%
score
0.52898
percentile