Medium [CVE-2021-3572] flaw was found in python-pip in the way it handled Unicode separators in git references
This medium-severity Red Hat Linux advisory covers CVE-2021-3572 affecting Red Hat Enterprise Linux 8, Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS, Red Hat Enterprise Linux 9.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
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Summary
A flaw was found in python-pip in the way it handled Unicode separators in git references. A remote attacker could possibly use this issue to install a different revision on a repository.
The highest threat from this vulnerability is to data integrity. This flaw has been rated as having a security impact of Low.
To exploit this flaw, the attacker needs access to the repository to create a specially crafted tag and force a different revision to be installed. Red Hat severity: Low — CVSS 4.5 (CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N).
Weakness: CWE-20. Affected Red Hat products: Red Hat Enterprise Linux 8; Red Hat Software Collections for Red Hat Enterprise Linux 7; Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 9.
Will not fix / out of support: Red Hat Enterprise Linux 7. Red Hat fixing advisory: RHSA-2021:4160, RHSA-2021:4162, RHSA-2021:4455, RHSA-2021:3254.
Affected products named by the advisory: Red Hat package: python-pip; Red Hat package: python-virtualenv.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 6 days ago·verify at source
- 21.1
- python39:3.9-8050020210811100211.d428a79b
- python39-devel:3.9-8050020210811100211.d428a79b
- python38:3.8-8050020210811101222.e3d35cca
- python38-devel:3.8-8050020210811101222.e3d35cca
- python-pip-0:9.0.3-20.el8
- rh-python38-babel-0:2.7.0-12.el7
- rh-python38-python-0:3.8.11-2.el7
- rh-python38-python-cryptography-0:2.8-5.el7
- rh-python38-python-jinja2-0:2.10.3-6.el7
- rh-python38-python-lxml-0:4.4.1-7.el7
- rh-python38-python-pip-0:19.3.1-2.el7
- rh-python38-python-urllib3-0:1.25.7-7.el7
- RHSA-2021:4160
- RHSA-2021:4162
- RHSA-2021:4455
- RHSA-2021:3254
Official advisory · high-confidence parse· fetched 6 days ago·verify at source
Mitigation
Upgrade to a fixed release: 21.1, python39:3.9-8050020210811100211.d428a79b, python39-devel:3.9-8050020210811100211.d428a79b, python38:3.8-8050020210811101222.e3d35cca, python38-devel:3.8-8050020210811101222.e3d35cca, python-pip-0:9.0.3-20.el8. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 6 days ago·verify at source
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