National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-5992 Detail

Current Description

Openpyxl 2.4.1 resolves external entities by default, which allows remote attackers to conduct XXE attacks via a crafted .xlsx document.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 8.2 HIGH
Vector: AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:H (V3 legend)
Impact Score: 5.8
Exploitability Score: 1.8


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

CVSS v2.0 Severity and Metrics:

Base Score: 5.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:P) (V2 legend)
Impact Subscore: 4.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized disclosure of information
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.openwall.com/lists/oss-security/2017/02/07/5 Mailing List Third Party Advisory
https://bitbucket.org/openpyxl/openpyxl/commits/3b4905f428e1 Issue Tracking Third Party Advisory
https://bitbucket.org/openpyxl/openpyxl/issues/749 Issue Tracking Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=854442 Issue Tracking Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • Improper Restriction of XML External Entity Reference ('XXE') (CWE-611)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:python:openpyxl:2.4.1:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-5992
NVD Published Date:
02/15/2017
NVD Last Modified:
02/17/2017