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FreeBSD: (Multiple Advisories) (CVE-2019-18348): Python -- multiple vulnerabilities

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FreeBSD: (Multiple Advisories) (CVE-2019-18348): Python -- multiple vulnerabilities

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
10/23/2019
Created
05/12/2020
Added
05/10/2020
Modified
09/21/2020

Description

An issue was discovered in urllib2 in Python 2.x through 2.7.17 and urllib in Python 3.x through 3.8.0. CRLF injection is possible if the attacker controls a url parameter, as demonstrated by the first argument to urllib.request.urlopen with \r\n (specifically in the host component of a URL) followed by an HTTP header. This is similar to the CVE-2019-9740 query string issue and the CVE-2019-9947 path string issue. (This is not exploitable when glibc has CVE-2016-10739 fixed.)

Solution(s)

  • freebsd-upgrade-package-python27
  • freebsd-upgrade-package-python35
  • freebsd-upgrade-package-python36
  • freebsd-upgrade-package-python37
  • freebsd-upgrade-package-python38

References

  • USN-4333-1
  • USN-4333-2
  • CVE-2019-18348

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