National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-5636 Detail

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      Last Modified:  09/02/2016

Quick Info

CVE Dictionary Entry:
CVE-2016-5636
Original release date:
09/02/2016
Last revised:
01/04/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
9.8 Critical
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (legend)
Impact Score:
5.9
Exploitability Score:
3.9
CVSS Version 3 Metrics:
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 Severity (version 2.0):
CVSS v2 Base Score:
10.0 HIGH
Vector:
(AV:N/AC:L/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore:
10.0
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://rhn.redhat.com/errata/RHSA-2016-2586.html External Source REDHAT RHSA-2016:2586
http://www.openwall.com/lists/oss-security/2016/06/15/15 Mailing List External Source MLIST [oss-security] 20160615 CVE Request: heap overflow in Python zipimport module
http://www.openwall.com/lists/oss-security/2016/06/16/1 Mailing List External Source MLIST [oss-security] 20160616 Re: CVE Request: heap overflow in Python zipimport module
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html External Source CONFIRM http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
http://www.securityfocus.com/bid/91247 External Source BID 91247
http://www.securitytracker.com/id/1038138 External Source SECTRACK 1038138
http://www.splunk.com/view/SP-CAAAPSV External Source CONFIRM http://www.splunk.com/view/SP-CAAAPSV
http://www.splunk.com/view/SP-CAAAPUE External Source CONFIRM http://www.splunk.com/view/SP-CAAAPUE
https://bugs.python.org/issue26171 Issue Tracking; Patch External Source CONFIRM https://bugs.python.org/issue26171
https://docs.python.org/3.4/whatsnew/changelog.html#python-3-4-5 Release Notes External Source CONFIRM https://docs.python.org/3.4/whatsnew/changelog.html#python-3-4-5
https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-2 Release Notes External Source CONFIRM https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-2
https://hg.python.org/cpython/raw-file/v2.7.12/Misc/NEWS Release Notes External Source CONFIRM https://hg.python.org/cpython/raw-file/v2.7.12/Misc/NEWS
https://security.gentoo.org/glsa/201701-18 External Source GENTOO GLSA-201701-18

Technical Details

Vulnerability Type (View All)

  • Integer Overflow or Wraparound (CWE-190)

Vulnerable software and versions Switch to CPE 2.2

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:3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.2.1:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.2.2:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.2.3:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.2.4:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.2.5:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.2.6:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.3.0:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.3.1:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.3.2:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.3.3:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.3.4:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.3.5:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.3.6:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.4.0:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.4.1:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.4.2:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.4.3:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.4.4:*:*:*:*:*:*:*
Configuration 2
OR
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*    versions up to (including) 2.7.11
Configuration 3
OR
cpe:2.3:a:python:python:3.5.0:*:*:*:*:*:*:*
cpe:2.3:a:python:python:3.5.1:*:*:*:*:*:*:*

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

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