PSF-2019-12

vendorUSosv

urllib module local_file:// scheme

view advisory published 2019-03-23Licence: per source

urllib in Python 2.x through 2.7.16 supports the local_file: scheme, which makes it easier for remote attackers to bypass protection mechanisms that blacklist file: URIs, as demonstrated by triggering a urllib.urlopen('local_file:///etc/passwd') call.

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2019-9948UScritical9.1—
urllib in Python 2.x through 2.7.16 supports the local_file: scheme, which makes it easier for remote attackers to bypass protection mechanisms that blacklist file: URIs, as demons…
02

references

External citations — patches, advisories, analysis.

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