CVE-2019-9948

python: Undocumented local_file protocol allows remote attackers to bypass protection mechanisms

Published Mar 23, 2019 CVSS 3.1 · 9.1 Critical EPSS 11.8% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-1834-1 python2.7 security update
Debian DLA Debian DLA DLA-1852-1 python3.4 security update
Debian DLA Debian DLA DLA-2280-1 python3.5 security update
Debian DLA Debian DLA DLA-2337-1 python2.7 security update
EUVD EUVD EUVD-2019-19302 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.
Ubuntu USN Ubuntu USN USN-4127-1 Python vulnerabilities
Ubuntu USN Ubuntu USN USN-4127-2 Python vulnerabilities
Ubuntu USN Ubuntu USN USN-6891-1 Python vulnerabilities
References
Link Providers
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00092.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00050.html cve-icon cve-icon
http://packetstormsecurity.com/files/154927/Slackware-Security-Advisory-python-Updates.html cve-icon cve-icon
http://www.securityfocus.com/bid/107549 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:1700 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:2030 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:3335 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2019:3520 cve-icon cve-icon
https://bugs.python.org/issue35907 cve-icon cve-icon
https://cert-portal.siemens.com/productcert/html/ssa-398330.html cve-icon
https://github.com/python/cpython/pull/11842 cve-icon cve-icon
https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2019/06/msg00022.html cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2019/07/msg00011.html cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQEQLXLOCR3SNM3AA5RRYJFQ5AZBYJ4L/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KRYFIMISZ47NTAU3XWZUOFB7CYL62KES/ cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2019-9948 cve-icon
https://seclists.org/bugtraq/2019/Oct/29 cve-icon cve-icon
https://security.gentoo.org/glsa/202003-26 cve-icon cve-icon
https://security.netapp.com/advisory/ntap-20190404-0004/ cve-icon cve-icon
https://usn.ubuntu.com/4127-1/ cve-icon cve-icon
https://usn.ubuntu.com/4127-2/ cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2019-9948 cve-icon
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics epss

{'score': 0.00715}

epss

{'score': 0.00871}