CVE-2019-9636

Summary

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. This is fixed in: v2.7.17, v2.7.17rc1, v2.7.18, v2.7.18rc1; v3.5.10, v3.5.10rc1, v3.5.7, v3.5.8, v3.5.8rc1, v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12, v3.6.9, v3.6.9rc1; v3.7.3, v3.7.3rc1, v3.7.4, v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1, v3.7.8, v3.7.8rc1, v3.7.9.

Impact & exploitability

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products we track (3)

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Additional information

• NVD record
• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00092.htmlAdvisory
• http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00097.htmlAdvisory
• http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00024.htmlAdvisory
• http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00050.htmlAdvisory
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00042.htmlAdvisory
• http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.htmlAdvisory
• http://www.securityfocus.com/bid/107400Advisory
• https://access.redhat.com/errata/RHBA-2019:0763Advisory