CVE-2019-9636 Detail

Current Description

Python 2.7.x through 2.7.16 and 3.x through 3.7.2 is affected by: Improper Handling of Unicode Encoding (with an incorrect netloc) during NFKC normalization. The impact is: Information disclosure (credentials, cookies, etc. that are cached against a given hostname). The components are: urllib.parse.urlsplit, urllib.parse.urlparse. The attack vector is: A specially crafted URL could be incorrectly parsed to locate cookies or authentication data and send that information to a different host than when parsed correctly.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  9.8 CRITICAL
Vector:  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00092.html Mailing List  Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00097.html Mailing List  Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00024.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00050.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00042.html
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html
http://www.securityfocus.com/bid/107400 Third Party Advisory  VDB Entry 
https://access.redhat.com/errata/RHBA-2019:0763
https://access.redhat.com/errata/RHBA-2019:0764
https://access.redhat.com/errata/RHBA-2019:0959
https://access.redhat.com/errata/RHSA-2019:0710 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:0765 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:0806 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:0902 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2019:0981
https://access.redhat.com/errata/RHSA-2019:0997
https://access.redhat.com/errata/RHSA-2019:1467
https://access.redhat.com/errata/RHSA-2019:2980
https://access.redhat.com/errata/RHSA-2019:3170
https://bugs.python.org/issue36216 Issue Tracking  Patch  Vendor Advisory 
https://github.com/python/cpython/pull/12201 Patch  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2019/06/msg00022.html
https://lists.debian.org/debian-lts-announce/2019/06/msg00023.html
https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html
https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2ORNTF62QPLMJXIQ7KTZQ2776LMIXEKL/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/44TS66GJMO5H3RLMVZEBGEFTB6O2LJJU/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/46PVWY5LFP4BRPG3BVQ5QEEFYBVEXHCK/ Mailing List  Release Notes  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4X3HW5JRZ7GCPSR7UHJOLD7AWLTQCDVR/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AEZ5IQT7OF7Q2NCGIVABOWYGKO7YU3NJ/ Mailing List  Release Notes  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CFBAAGM27H73OLYBUA2IAZFSUN6KGLME/ Mailing List  Release Notes  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D3LXPABKVLFYUHRYJPM3CSS5MS6FXKS7/ Mailing List  Release Notes  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/E2HP37NUVLQSBW3J735A2DQDOZ4ZGBLY/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ER6LONC2B2WYIO56GBQUDU6QTWZDPUNQ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HQEQLXLOCR3SNM3AA5RRYJFQ5AZBYJ4L/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ICBEGRHIPHWPG2VGYS6R4EVKVUUF4AQW/ Mailing List  Release Notes  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IFAXBEY2TGOBDRKTR556JBXBVFSAKD6I/ Mailing List  Release Notes  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JCPGLTTOBB3QEARDX4JOYURP6ELNNA2V/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JMWSKTNOHSUOT3L25QFJAVCFYZX46FYK/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JSKPGPZQNTAULHW4UH63KGOOUIDE4RRB/ Mailing List  Release Notes  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JXASHCDD4PQFKTMKQN4YOP5ZH366ABN4/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KRYFIMISZ47NTAU3XWZUOFB7CYL62KES/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L25RTMKCF62DLC2XVSNXGX7C7HXISLVM/ Mailing List  Release Notes  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M34WOYCDKTDE5KLUACE2YIEH7D37KHRX/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TR6GCO3WTV4D5L23WTCBF275VE6BVNI3/ Mailing List  Release Notes  Third Party Advisory 
https://python-security.readthedocs.io/vuln/urlsplit-nfkc-normalization.html Patch  Third Party Advisory 
https://security.gentoo.org/glsa/202003-26
https://security.netapp.com/advisory/ntap-20190517-0001/
https://usn.ubuntu.com/4127-1/
https://usn.ubuntu.com/4127-2/
https://www.oracle.com/security-alerts/cpujan2020.html

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  

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Change History

49 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-9636
NVD Published Date:
03/08/2019
NVD Last Modified:
08/24/2020
Source:
MITRE