Description
It was discovered that the Python CGIHandler class did not properly protect
against the HTTP_PROXY variable name clash in a CGI context. A remote attacker
could possibly use this flaw to redirect HTTP requests performed by a Python CGI
script to an attacker-controlled proxy via a malicious HTTP request.
(CVE-2016-1000110)
* It was found that Python's smtplib library did not return an exception when
StartTLS failed to be established in the SMTP.starttls() function. A man in the
middle attacker could strip out the STARTTLS command without generating an
exception on the Python SMTP client application, preventing the establishment of
the TLS layer. (CVE-2016-0772)
* It was found that the Python's httplib library (used by urllib, urllib2 and
others) did not properly check HTTPConnection.putheader() function arguments. An
attacker could use this flaw to inject additional headers in a Python
application that allowed user provided header names or values. (CVE-2016-5699)