CVE-2019-6690
python-gnupg 0.4.3 allows context-dependent attackers to trick gnupg to decrypt other ciphertext than intended (CVE-2019-6690)
highEPSS 8.6%
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.
Metrics
Severity
high
94.32
no public PoC known
7.5
94.7 %
Critical — this CVE ranks in the top fifth of all CVEs scored today (rank ≥ 80%).
Published
2019-03-17 17:02 UTC
—
Affected operating systems
linux
debian / debian_linux8.0
linux
debian / debian_linux9.0
linux
opensuse / leap15.0
linux
canonical / ubuntu_linux18.04
linux
canonical / ubuntu_linux18.10
linux
canonical / ubuntu_linux19.04
Affected products
Products and version ranges extracted from the vendor/CERT advisory. A range like „<4.14.6“ implies the update recommendation „upgrade to 4.14.6 or later“.
python
python-gnupg
suse
backports
References & sources
- https://seclists.org/bugtraq/2019/Jan/41web
- https://pypi.org/project/python-gnupg/#historypackage
- https://lists.debian.org/debian-lts-announce/2019/02/msg00021.htmlweb
- http://www.securityfocus.com/bid/106756web
- http://packetstormsecurity.com/files/151341/Python-GnuPG-0.4.3-Improper-Input-Validation.htmlweb
- http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00058.htmlweb
- http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00008.htmlweb
- https://blog.hackeriet.no/cve-2019-6690-python-gnupg-vulnerability/article
- https://usn.ubuntu.com/3964-1/web
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/W6KYZMN2PWXY4ENZVJUVTGFBVYEVY7II/web
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X4VFRUG56542LTYK4444TPJBGR57MT25/web
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3WMV6XNPPL3VB3RQRFFOBCJ3AGWC4K47/web
- https://github.com/advisories/GHSA-qh62-ch95-63whadvisory
- https://github.com/advisories/GHSA-2fch-jvg5-crf6advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W6KYZMN2PWXY4ENZVJUVTGFBVYEVY7II/vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X4VFRUG56542LTYK4444TPJBGR57MT25/vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3WMV6XNPPL3VB3RQRFFOBCJ3AGWC4K47/vendor-advisoryx_refsource_FEDORA
- https://lists.debian.org/debian-lts-announce/2021/12/msg00027.htmlmailing-listx_refsource_MLIST
IDCVE-2019-6690