CVE-2019-6690
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data tampering.
- Exploit odds
- 8.6% chance of exploitation in the next 30 days (EPSS).
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 8.6% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: none linked yet, which raises it.
Details
- Published
- Last modified
- Exploit probability
- 8.6% · EPSS, next 30 days
- Weakness
- CWE-20 · Improper input validation
- Record status
- Modified
Affected
- Python python-gnupg 0.4.3
- Debian Linux 8.0
- Debian Linux 9.0
- Opensuse Leap 15.0
- Suse Backports
- Canonical Ubuntu Linux 18.04
- Canonical Ubuntu Linux 18.10
- Canonical Ubuntu Linux 19.04
Attack profile CVSS 3.1 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2019-6690.md and follow it. Check whether this project is affected by CVE-2019-6690. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
References
- 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