CVE-2019-9948 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00092.html http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00050.html http://packetstormsecurity.com/files/154927/Slackware-Security-Advisory-python-Updates.html http://www.securityfocus.com/bid/107549 https://access.redhat.com/errata/RHSA-2019:1700 https://access.redhat.com/errata/RHSA-2019:2030 https://access.redhat.com/errata/RHSA-2019:3335 https://access.redhat.com/errata/RHSA-2019:3520 https://bugs.python.org/issue35907 https://github.com/python/cpython/pull/11842 https://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0@3Cissues.bookkeeper.apache.org3E https://lists.debian.org/debian-lts-announce/2019/06/msg00022.html https://lists.debian.org/debian-lts-announce/2019/07/msg00011.html https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HQEQLXLOCR3SNM3AA5RRYJFQ5AZBYJ4L/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KRYFIMISZ47NTAU3XWZUOFB7CYL62KES/ https://seclists.org/bugtraq/2019/Oct/29 https://security.gentoo.org/glsa/202003-26 https://security.netapp.com/advisory/ntap-20190404-0004/ https://usn.ubuntu.com/4127-1/ https://usn.ubuntu.com/4127-2/ 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.

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

NONE

Base Severity

9.1