CVE-2019-10160
CRITICALCVSS 9.8/10EPSS 5.23%
Last modified
CVE-2019-10160 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A security regression of CVE-2019-9636 was discovered in python since commit d537ab0ff9767ef024f26246899728f0116b1ec3 affecting versions 2.7, 3.5, 3.6, 3.7 and from v3.8.0a4 through v3.8.0b1, which still allows an attacker to exploit CVE-2019-9636 by abusing the user and password parts of a URL. When an application parses user-supplied URLs to store cookies, authentication credentials, or other kind of information, it is possible for an attacker to provide specially crafted URLs to make the application locate host-related information (e.g. EPSS estimates a 5.23% chance of exploitation in the next 30 days.
Description
A security regression of CVE-2019-9636 was discovered in python since commit d537ab0ff9767ef024f26246899728f0116b1ec3 affecting versions 2.7, 3.5, 3.6, 3.7 and from v3.8.0a4 through v3.8.0b1, which still allows an attacker to exploit CVE-2019-9636 by abusing the user and password parts of a URL. When an application parses user-supplied URLs to store cookies, authentication credentials, or other kind of information, it is possible for an attacker to provide specially crafted URLs to make the application locate host-related information (e.g. cookies, authentication data) and send them to a different host than where it should, unlike if the URLs had been correctly parsed. The result of an attack may vary based on the application.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Python | Python | >= 2.7.0, < 2.7.17 | — |
| Python | Python | >= 3.5.0, < 3.5.8 | — |
| Python | Python | >= 3.6.0, < 3.6.9 | — |
| Python | Python | >= 3.7.0, < 3.7.4 | — |
| Python | Python | 3.8.0 | Alpha4 |
| Redhat | Enterprise Linux Desktop | 7.0 | — |
| Redhat | Enterprise Linux Eus | 7.6 | — |
| Redhat | Enterprise Linux Server | 7.0 | — |
| Redhat | Enterprise Linux Server Aus | 7.6 | — |
| Redhat | Enterprise Linux Server Tus | 7.6 | — |
| Redhat | Enterprise Linux Workstation | 7.0 | — |
| Debian | Debian Linux | 8.0 | — |
| Debian | Debian Linux | 9.0 | — |
| Opensuse | Leap | 15.0 | — |
| Opensuse | Leap | 15.1 | — |
| Fedoraproject | Fedora | 29 | — |
| Fedoraproject | Fedora | 30 | — |
| Fedoraproject | Fedora | 31 | — |
| Canonical | Ubuntu Linux | 12.04 | — |
| Canonical | Ubuntu Linux | 14.04 | — |
| Canonical | Ubuntu Linux | 16.04 | — |
| Canonical | Ubuntu Linux | 18.04 | — |
| Canonical | Ubuntu Linux | 19.04 | — |
| Redhat | Virtualization | 4.0 | — |
| Netapp | Cloud Backup | All versions | — |
| Netapp | Converged Systems Advisor Agent | All versions | — |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00042.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.htmlMailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1587Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1700Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2437Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10160Issue Tracking, Patch, Third Party Advisory
- https://github.com/python/cpython/commit/250b62acc59921d399f0db47db3b462cd6037e09Patch, Third Party Advisory
- https://github.com/python/cpython/commit/8d0ef0b5edeae52960c7ed05ae8a12388324f87ePatch, Third Party Advisory
- https://github.com/python/cpython/commit/f61599b050c621386a3fc6bc480359e2d3bb93dePatch, Third Party Advisory
- https://github.com/python/cpython/commit/fd1771dbdd28709716bd531580c40ae5ed814468Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/06/msg00022.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00011.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/08/msg00034.htmlMailing List, Third Party Advisory
- https://python-security.readthedocs.io/vuln/urlsplit-nfkc-normalization2.htmlPatch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190617-0003/Third Party Advisory
- https://usn.ubuntu.com/4127-1/Third Party Advisory
- https://usn.ubuntu.com/4127-2/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00042.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.htmlMailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1587Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1700Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:2437Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10160Issue Tracking, Patch, Third Party Advisory
- https://github.com/python/cpython/commit/250b62acc59921d399f0db47db3b462cd6037e09Patch, Third Party Advisory
- https://github.com/python/cpython/commit/8d0ef0b5edeae52960c7ed05ae8a12388324f87ePatch, Third Party Advisory
- https://github.com/python/cpython/commit/f61599b050c621386a3fc6bc480359e2d3bb93dePatch, Third Party Advisory
- https://github.com/python/cpython/commit/fd1771dbdd28709716bd531580c40ae5ed814468Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/06/msg00022.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00011.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/08/msg00034.htmlMailing List, Third Party Advisory
- https://python-security.readthedocs.io/vuln/urlsplit-nfkc-normalization2.htmlPatch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190617-0003/Third Party Advisory
- https://usn.ubuntu.com/4127-1/Third Party Advisory
- https://usn.ubuntu.com/4127-2/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-10160?
A security regression of CVE-2019-9636 was discovered in python since commit d537ab0ff9767ef024f26246899728f0116b1ec3 affecting versions 2.7, 3.5, 3.6, 3.7 and from v3.8.0a4 through v3.8.0b1, which still allows an attacker to exploit CVE-2019-9636 by abusing the user and password parts of a URL. When an application parses user-supplied URLs to store cookies, authentication credentials, or other kind of information, it is possible for an attacker to provide specially crafted URLs to make the application locate host-related information (e.g. cookies, authentication data) and send them to a different host than where it should, unlike if the URLs had been correctly parsed. The result of an attack may vary based on the application.
How severe is CVE-2019-10160?
CVE-2019-10160 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 5.23% probability of exploitation in the next 30 days.
How do I fix CVE-2019-10160?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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