National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-16876 Detail

Current Description

Cross-site scripting (XSS) vulnerability in the _keyify function in mistune.py in Mistune before 0.8.1 allows remote attackers to inject arbitrary web script or HTML by leveraging failure to escape the "key" argument.

Source:  MITRE      Last Modified:  12/29/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-16876
Original release date:
12/29/2017
Last revised:
01/10/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
6.1 Medium
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N (legend)
Impact Score:
2.7
Exploitability Score:
2.8
CVSS Version 3 Metrics:
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Changed
Confidentiality (C):
Low
Integrity (I):
Low
Availability (A):
None
CVSS Severity (version 2.0):
CVSS v2 Base Score:
4.3 MEDIUM
Vector:
(AV:N/AC:M/Au:N/C:N/I:P/A:N) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector:
Network exploitable - Victim must voluntarily interact with attack mechanism
Access Complexity:
Medium
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
https://bugzilla.redhat.com/show_bug.cgi?id=1524596 Issue Tracking; Third Party Advisory; VDB Entry External Source CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=1524596
https://github.com/lepture/mistune/blob/master/CHANGES.rst Release Notes; Third Party Advisory External Source CONFIRM https://github.com/lepture/mistune/blob/master/CHANGES.rst
https://github.com/lepture/mistune/commit/5f06d724bc05580e7f203db2d4a4905fc1127f98 Patch; Third Party Advisory External Source CONFIRM https://github.com/lepture/mistune/commit/5f06d724bc05580e7f203db2d4a4905fc1127f98
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NUR3GMHQBMA3UC4PFMCK6GCLOQC4LQQC/ Mailing List; Third Party Advisory External Source FEDORA FEDORA-2017-7b4149911a

Technical Details

Vulnerability Type (View All)

  • Cross-Site Scripting (XSS) (CWE-79)

Change History 1 change record found - show changes