CVE-2019-9636

Impact:
Important
Public Date:
2019-03-06
CWE:
CWE-172
Bugzilla:
1688543: CVE-2019-9636 python: Information Disclosure due to urlsplit improper NFKC normalization
It was discovered that python improperly handles Unicode encoding with an incorrect netloc during NFKC normalization. A remote attacker could provide a specially crafted URL which, when incorrectly parsed by vulnerable python instruction, would possibly result in the disclosure of information like credentials and cookies or have other effects depending on the application.

Find out more about CVE-2019-9636 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

CVSS3 Base Score 9.8
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity Impact High
Availability Impact High

Red Hat Security Errata

Platform Errata Release Date
Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-python35-python) RHSA-2019:0902 2019-04-30
Red Hat Enterprise Linux 7 (python) RHSA-2019:0710 2019-04-08
Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-python35-python) RHSA-2019:0902 2019-04-30
Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-python36-python) RHSA-2019:0765 2019-04-16
Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-python36-python) RHSA-2019:0765 2019-04-16
Red Hat Software Collections for Red Hat Enterprise Linux 6 (python27-python) RHSA-2019:0806 2019-04-23
Red Hat Enterprise Linux 8 (python3) RHSA-2019:0997 2019-05-07
Red Hat Enterprise Linux 8 (python27:2.7) RHSA-2019:0981 2019-05-07
Red Hat Software Collections for Red Hat Enterprise Linux 7 (python27-python) RHSA-2019:0806 2019-04-23

Affected Packages State

Platform Package State
Red Hat Virtualization 4 rhvm-appliance Affected
Red Hat Virtualization 4 redhat-virtualization-host Affected
Red Hat Enterprise Linux 8 python36:3.6/python36 Not affected
Red Hat Enterprise Linux 7 python3 Not affected
Red Hat Enterprise Linux 6 python Will not fix
Red Hat Enterprise Linux 5 python Will not fix

External References

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