PyPI: requests
CVE-2023-32681
Safety vulnerability ID: SFTY-20230526-66917
Safety legacy ID: pyup.io-58755
Affected versions of Requests are vulnerable to proxy credential leakage. When redirected to an HTTPS endpoint, the Proxy-Authorization header is forwarded to the destination server due to the use of rebuild_proxies to reattach the header. This may allow a malicious actor to exfiltrate sensitive information.
Overview
Unintended leak of Proxy-Authorization header in requests
Advisory
Affected versions of Requests are vulnerable to proxy credential leakage. When redirected to an HTTPS endpoint, the Proxy-Authorization header is forwarded to the destination server due to the use of rebuild_proxies to reattach the header. This may allow a malicious actor to exfiltrate sensitive information.
How to Fix
Mitigation and Workarounds
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Vulnerable Functions
Functions linked to known vulnerabilities.
References
- https://getsafety.com/vulnerabilities/SFTY-20230526-66917/CVE-2023-32681
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32681
- https://github.com/psf/requests/commit/74ea7cf7a6a27a4eeb2ae24e162bcc942a6706d5
- https://github.com/psf/requests/releases/tag/v2.31.0
- https://github.com/psf/requests/security/advisories/GHSA-j8r2-6x86-q33q
- https://lists.debian.org/debian-lts-announce/2023/06/msg00018.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AW7HNFGYP44RT3DUDQXG2QT3OEV2PJ7Y/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KOYASTZDGQG2BWLSNBPL3TQRL2G7QYNZ/
- https://github.com/psf/requests/security/advisories/GHSA-j8r2-6x86-q33q
- https://github.com/psf/requests/commit/74ea7cf7a6a27a4eeb2ae24e162bcc942a6706d5
- https://nvd.nist.gov/vuln/detail/CVE-2023-32681
- https://github.com/psf/requests/releases/tag/v2.31.0
- https://github.com/pypa/advisory-database/tree/main/vulns/requests/PYSEC-2023-74.yaml
- https://lists.debian.org/debian-lts-announce/2023/06/msg00018.html
- https://security.gentoo.org/glsa/202309-08
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AW7HNFGYP44RT3DUDQXG2QT3OEV2PJ7Y
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KOYASTZDGQG2BWLSNBPL3TQRL2G7QYNZ
- https://github.com/advisories/GHSA-j8r2-6x86-q33q
Verified by Safety
Our Cybersecurity Intelligence Team reviewed this vulnerability. We combine public data with our own research to find issues not yet reported to public sources.
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