CVE-2019-6690 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Reference

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.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3WMV6XNPPL3VB3RQRFFOBCJ3AGWC4K47/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/W6KYZMN2PWXY4ENZVJUVTGFBVYEVY7II/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X4VFRUG56542LTYK4444TPJBGR57MT25/ https://pypi.org/project/python-gnupg/history https://seclists.org/bugtraq/2019/Jan/41 https://usn.ubuntu.com/3964-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5