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  5. CVE-2021-3572

CVE-2021-3572: Improper Input Validation in pip

November 15, 2021 (updated October 11, 2024)

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 is fixed in python-pip version 21.1.

References

  • access.redhat.com/errata/RHSA-2021:3254
  • bugzilla.redhat.com/show_bug.cgi?id=1962856
  • github.com/advisories/GHSA-5xp3-jfq3-5q8x
  • github.com/pypa/advisory-database/tree/main/vulns/pip/PYSEC-2021-437.yaml
  • github.com/pypa/pip
  • github.com/pypa/pip/commit/e46bdda9711392fec0c45c1175bae6db847cb30b
  • github.com/pypa/pip/pull/9827
  • nvd.nist.gov/vuln/detail/CVE-2021-3572
  • packetstormsecurity.com/files/162712/USN-4961-1.txt
  • security.netapp.com/advisory/ntap-20240621-0006
  • www.oracle.com/security-alerts/cpuapr2022.html
  • www.oracle.com/security-alerts/cpujul2022.html

Code Behaviors & Features

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Affected versions

All versions before 21.1

Fixed versions

  • 21.1

Solution

Upgrade to version 21.1 or above.

Impact 5.7 MEDIUM

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

Learn more about CVSS

Weakness

  • CWE-20: Improper Input Validation

Source file

pypi/pip/CVE-2021-3572.yml

Spotted a mistake? Edit the file on GitLab.

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