NVD - CVE-2016-5636

CVE-2016-5636 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

Description

Integer overflow in the get_data function in zipimport.c in CPython (aka Python) before 2.7.12, 3.x before 3.4.5, and 3.5.x before 3.5.2 allows remote attackers to have unspecified impact via a negative data size value, which triggers a heap-based buffer overflow.

Source: MITRE
Description Last Modified: 09/02/2016

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 9.8 CRITICAL
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 3.9

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 10.0 HIGH
Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 10.0

Access Vector (AV): Network
Access Complexity (AC): Insufficient_Info
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://rhn.redhat.com/errata/RHSA-2016-2586.html
http://www.openwall.com/lists/oss-security/2016/06/15/15	Mailing List
http://www.openwall.com/lists/oss-security/2016/06/16/1	Mailing List
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
http://www.securityfocus.com/bid/91247
http://www.securitytracker.com/id/1038138
http://www.splunk.com/view/SP-CAAAPSV
http://www.splunk.com/view/SP-CAAAPUE
https://bugs.python.org/issue26171	Issue Tracking Patch
https://docs.python.org/3.4/whatsnew/changelog.html#python-3-4-5	Release Notes
https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-2	Release Notes
https://hg.python.org/cpython/raw-file/v2.7.12/Misc/NEWS	Release Notes
https://security.gentoo.org/glsa/201701-18

Technical Details

Vulnerability Type (View All)

Integer Overflow or Wraparound (CWE-190)

Vulnerable software and versions Switch to CPE 2.2

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

8 change records found - show changes

Modified Analysis - 9/2/2016 4:44:28 PM

Action	Type	Old Value	New Value
Added	CPE Configuration		Record truncated, showing 500 of 1735 characters. View Entire Change Record Configuration 1 OR cpe:2.3:a:python:python:3.0::::::: cpe:2.3:a:python:python:3.0.1::::::: cpe:2.3:a:python:python:3.1.0::::::: cpe:2.3:a:python:python:3.1.1::::::: cpe:2.3:a:python:python:3.1.2::::::: cpe:2.3:a:python:python:3.1.3::::::: cpe:2.3:a:python:python:3.1.4::::::: cpe:2.3:a:python:python:3.1.5::::::: *cpe:2.3:a:python:python:3.2
Added	CVSS V2		(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Added	CVSS V3		AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Added	CWE		CWE-190
Changed	Reference Type	http://www.openwall.com/lists/oss-security/2016/06/15/15 No Types Assigned	http://www.openwall.com/lists/oss-security/2016/06/15/15 Mailing List
Changed	Reference Type	http://www.openwall.com/lists/oss-security/2016/06/16/1 No Types Assigned	http://www.openwall.com/lists/oss-security/2016/06/16/1 Mailing List
Changed	Reference Type	https://bugs.python.org/issue26171 No Types Assigned	https://bugs.python.org/issue26171 Issue Tracking, Patch
Changed	Reference Type	https://docs.python.org/3.4/whatsnew/changelog.html#python-3-4-5 No Types Assigned	https://docs.python.org/3.4/whatsnew/changelog.html#python-3-4-5 Release Notes
Changed	Reference Type	https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-2 No Types Assigned	https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-2 Release Notes
Changed	Reference Type	https://hg.python.org/cpython/raw-file/v2.7.12/Misc/NEWS No Types Assigned	https://hg.python.org/cpython/raw-file/v2.7.12/Misc/NEWS Release Notes

Quick Info

CVE Dictionary Entry:
CVE-2016-5636
NVD Published Date:
09/02/2016
NVD Last Modified:
01/04/2018

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-5636 Detail

Description

Impact

References to Advisories, Solutions, and Tools

Technical Details

Vulnerable software and versions Switch to CPE 2.2

Change History

CVE Modified by MITRE - 1/4/2018 9:31:03 PM

CVE Modified by MITRE - 7/11/2017 9:29:02 PM

CVE Modified by MITRE - 6/30/2017 9:29:58 PM

CVE Modified by MITRE - 12/23/2016 9:59:41 PM

CVE Modified by MITRE - 11/28/2016 3:28:27 PM

CVE Modified by Source - 9/22/2016 10:00:34 PM

Modified Analysis - 9/2/2016 4:44:28 PM

Initial CVE Analysis - 9/2/2016 3:39:54 PM

Quick Info