Improper input validation in Python Python-Gnupg
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.085 (95.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.085 · newest: 0.085 · change: 0.000
Affected products
- Python Python-Gnupg — versions 0.4.3
- Canonical Ubuntu Linux — versions 18.04, 18.10, 19.04
- Debian Linux — versions 8.0, 9.0
- openSUSE Leap — versions 15.0
- SUSE Backports
- SUSE Linux Enterprise — versions 15.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/106756 (vdb-entry, Broken Link)
- packetstormsecurity.com/files/151341/Python-GnuPG-0.4.3-Improper-Input-Validati… (VDB Entry, Third Party Advisory)
- pypi.org/project/python-gnupg/ (Product, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-02/msg00008.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-02/msg00058.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/02/msg00021.html (mailing-list, Mailing List, Third Party Advisory)
- seclists.org/bugtraq/2019/Jan/41 (mailing-list, Mailing List, Third Party Advisory)
- blog.hackeriet.no/cve-2019-6690-python-gnupg-vulnerability/ (Third Party Advisory)
- usn.ubuntu.com/3964-1/ (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2019-6690?
- CVE-2019-6690 is a high-severity vulnerability in Python Python-Gnupg, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2019-03-21.
- How severe is CVE-2019-6690?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-6690 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.