virtualenv: Downloaded seed wheels (pip/setuptools) are not integrity-checked before use
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| pypa | virtualenv | affected |
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| Source | ID | Title |
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Github GHSA |
GHSA-94p9-xgh2-xp45 | virtualenv: Downloaded seed wheels (pip/setuptools) are not integrity-checked before use |
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.197% probability within 30 days)
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Pypa
Pypa virtualenv Python Python virtualenv |
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| Vendors & Products |
Pypa
Pypa virtualenv Python Python virtualenv |
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ssvc
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threat_severity
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cvssV3_1
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| Description | virtualenv is a tool for creating isolated virtual python environments. Prior to 21.7.12, download_wheel() accepts pip and setuptools seed wheels fetched for periodic updates or the --download option without checking their bytes against an authoritative digest equivalent to the embedded wheels' BUNDLE_SHA256 verification. A compromised index, stale mirror, or intercepted TLS connection can substitute a different wheel under the requested distribution, version, and filename, after which virtualenv caches and seeds the attacker-controlled wheel into subsequently created environments. The verification applies to the default PyPI path and is intentionally skipped when PIP_INDEX_URL, PIP_EXTRA_INDEX_URL, or PIP_INDEX configures a custom index that may legitimately publish rebuilt wheels. This issue is fixed in version 21.7.12. | |
| Title | virtualenv: Downloaded seed wheels (pip/setuptools) are not integrity-checked before use | |
| Weaknesses | CWE-494 | |
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| Metrics |
cvssV4_0
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