National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-6690 Detail

Current Description

python-gnupg 0.4.3 allows context-dependent attackers to trick gnupg to decrypt other ciphertext than intended. To perform the attack, the passphrase to gnupg must be controlled by the adversary and the ciphertext should be trusted. Related to a "CWE-20: Improper Input Validation" issue affecting the affect functionality component.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N (V3 legend)
Impact Score: 3.6
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): None
Integrity (I): High
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00008.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00058.html Third Party Advisory
http://packetstormsecurity.com/files/151341/Python-GnuPG-0.4.3-Improper-Input-Validation.html Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/106756 Third Party Advisory VDB Entry
https://blog.hackeriet.no/cve-2019-6690-python-gnupg-vulnerability/ Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00021.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/W6KYZMN2PWXY4ENZVJUVTGFBVYEVY7II/
https://pypi.org/project/python-gnupg/#history Product
https://seclists.org/bugtraq/2019/Jan/41 Exploit Issue Tracking Mailing List Third Party Advisory
https://usn.ubuntu.com/3964-1/ Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • Improper Input Validation (CWE-20)

Known Affected Software Configurations Switch to CPE 2.3

Configuration 1 ( hide )
 cpe:/a:python:python-gnupg:0.4.3
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:/o:debian:debian_linux:8.0
     Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:/o:opensuse:leap:15.0
     Show Matching CPE(s)

Configuration 4 ( hide )
 cpe:/a:suse:backports:-
     Show Matching CPE(s)
Running on/with
 cpe:/o:suse:linux_enterprise:15.0
     Show Matching CPE(s)

Configuration 5 ( hide )
 cpe:/o:canonical:ubuntu_linux:18.04::~~lts~~~
     Show Matching CPE(s)
 cpe:/o:canonical:ubuntu_linux:18.10
     Show Matching CPE(s)
 cpe:/o:canonical:ubuntu_linux:19.04
     Show Matching CPE(s)


Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-6690
NVD Published Date:
03/21/2019
NVD Last Modified:
06/18/2019