CVE-2019-6690
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 0.4.4-1 |
| sid | Fixed | 0.4.4-1 |
| forky | Fixed | 0.4.4-1 |
| bullseye | Fixed | 0.4.4-1 |
| bookworm | Fixed | 0.4.4-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | python-gnupg | <0.4.4 | 0.4.4 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2019-6690
- https://blog.hackeriet.no/cve-2019-6690-python-gnupg-vulnerability
- https://github.com/advisories/GHSA-2fch-jvg5-crf6
- 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@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
- https://web.archive.org/web/20200227091727/http://www.securityfocus.com/bid/106756
- 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
- https://bitbucket.org/vinay.sajip/python-gnupg/commits/1a5196800604c05f9e347110b4ecca538ba68cdc
- https://github.com/advisories/GHSA-qh62-ch95-63wh
- https://github.com/pypa/advisory-database/tree/main/vulns/python-gnupg/PYSEC-2019-115.yaml
- http://www.securityfocus.com/bid/106756
- https://blog.hackeriet.no/cve-2019-6690-python-gnupg-vulnerability/
- https://usn.ubuntu.com/3964-1/
- 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://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3WMV6XNPPL3VB3RQRFFOBCJ3AGWC4K47/
- https://security-tracker.debian.org/tracker/CVE-2019-6690
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.