https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=210539
Bug ID: 210539
Summary: lang/python33: HTTP Header Injection in Python urllib
(CVE-2016-5699)
Product: Ports & Packages
Version: Latest
Hardware: Any
URL: http://blog.blindspotsecurity.com/2016/06/advisory-htt
p-header-injection-in.html
OS: Any
Status: New
Keywords: needs-patch, security
Severity: Affects Some People
Priority: ---
Component: Individual Port(s)
Assignee: pyt...@freebsd.org
Reporter: vlad-f...@acheronmedia.com
CC: junovi...@freebsd.org, ports-sect...@freebsd.org
Flags: maintainer-feedback?(pyt...@freebsd.org)
Assignee: pyt...@freebsd.org
Python 3.3 is vulnerable to HTTP Header injection in urllib.
* Nice summary of the problem with POC:
http://blog.blindspotsecurity.com/2016/06/advisory-http-header-injection-in.html
* CVE request:
http://www.openwall.com/lists/oss-security/2016/06/14/7
(assignment) http://www.openwall.com/lists/oss-security/2016/06/16/2
* Upstream issue:
https://bugs.python.org/issue22928
* Upstream fix in Python 3.5, 3.4, 2.7 (but not 3.3):
(3.5, 3.4) https://hg.python.org/cpython/rev/bf3e1c9b80e9
(2.7) https://hg.python.org/cpython/rev/1c45047c5102
I've tested the POC given in the first link above, and indeed injection happens
with 3.3, but not with 3.4 (haven't tested the others). I'll see if I can
backport the patch myself, will attach it here. Also waiting for upstream to
respond about my backport request.
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