Vulnerability Report

CVE-2019-6690

Title: Suse Backports Improper Input Validation

Input Validation Error

Proof Of Concept

PoC Available for CVE-2019-6690

CWE Category CWE-20
Published Date Mar 21, 2019
Modified Date Jun 17, 2026
Exploit Status Available
Score 7.5 CVSS v3.1
Exploit Probability (EPSS)
8.55%

Vulnerability Summary

CVE-2019-6690: 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.

Impacted Vendors

P
python-gnupg_project 1
S
suse 1
P
python 1

Reference Links

http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00008.html http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00058.html http://packetstormsecurity.com/files/151341/Python-GnuPG-0.4.3-Improper-Input-Validation.html http://www.securityfocus.com/bid/106756 https://blog.hackeriet.no/cve-2019-6690-python-gnupg-vulnerability/ https://lists.debian.org/debian-lts-announce/2019/02/msg00021.html https://lists.debian.org/debian-lts-announce/2021/12/msg00027.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3WMV6XNPPL3VB3RQRFFOBCJ3AGWC4K47/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W6KYZMN2PWXY4ENZVJUVTGFBVYEVY7II/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X4VFRUG56542LTYK4444TPJBGR57MT25/ https://pypi.org/project/python-gnupg/#history https://seclists.org/bugtraq/2019/Jan/41 https://usn.ubuntu.com/3964-1/ http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00008.html http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00058.html http://packetstormsecurity.com/files/151341/Python-GnuPG-0.4.3-Improper-Input-Validation.html http://www.securityfocus.com/bid/106756 https://blog.hackeriet.no/cve-2019-6690-python-gnupg-vulnerability/ https://lists.debian.org/debian-lts-announce/2019/02/msg00021.html https://lists.debian.org/debian-lts-announce/2021/12/msg00027.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3WMV6XNPPL3VB3RQRFFOBCJ3AGWC4K47/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W6KYZMN2PWXY4ENZVJUVTGFBVYEVY7II/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X4VFRUG56542LTYK4444TPJBGR57MT25/ https://pypi.org/project/python-gnupg/#history https://seclists.org/bugtraq/2019/Jan/41 https://usn.ubuntu.com/3964-1/
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2019-6690 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/brianwrf/CVE-2019-6690
View Code
GitHub https://github.com/stigtsp/CVE-2019-6690-python-gnupg-vulnerability
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Stack

No specific products linked.