National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-12761 Detail

Current Description

A code injection issue was discovered in PyXDG before 0.26 via crafted Python code in a Category element of a Menu XML document in a .menu file. XDG_CONFIG_DIRS must be set up to trigger xdg.Menu.parse parsing within the directory containing this file. This is due to a lack of sanitization in xdg/Menu.py before an eval call.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.6


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

CVSS v2.0 Severity and Metrics:

Base Score: 5.1 MEDIUM
Vector: (AV:N/AC:H/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 4.9


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

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://gist.github.com/dhondta/b45cd41f4186110a354dc7272916feba Exploit Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/06/msg00006.html
https://snyk.io/vuln/SNYK-PYTHON-PYXDG-174562 Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • XML Injection (aka Blind XPath Injection) (CWE-91)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:python:pyxdg:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
0.26


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-12761
NVD Published Date:
06/06/2019
NVD Last Modified:
06/16/2019