Insecure Entropy Source - Math.random()

Overview Affected versions of node-uuid consistently fall back to using Math.random as an entropy source instead of crypto, which may result in guessable UUID's. Recommendation Update to version 1.4.4 or later. References - Issue 108 - Issue 122 - GitHub Advisory...

Deluge of Apple Patches Fix Vulnerabilities in OS X, iOS, Safari, and More

In addition to fixing the serious crypto vulnerabilities in iMessage that surfaced yesterday, Apple also deployed patches for nearly all of its products, including Safari, OS X, iOS, Apple TV’s tvOS, and watchOS. The iOS update, 9.3, is arguably the most pressing given the cryptographic issue dug...

kernel security, bug fix, and enhancement update

2.6.32-573.22.1 - mm always decrement anonvma degree when the vma list is empty Jerome Marchand 1318364 1309898 2.6.32-573.21.1 - fs pipe: fix offset and len mismatch on pipeiovcopytouser failure Seth Jennings 1310148 1302223 CVE-2016-0774 - fs gfs2: Add missing else in transaddmeta/data Robert S...

CTF-Tools - Some setup scripts for security research tools

This is a collection of setup scripts to create an install of various security research tools. Of course, this isn't a hard problem, but it's really nice to have them in one place that's easily deployable to new machines and so forth. Installers for the following tools are included: Category | To...

The vulnerability of the OpenSSL library, which allows a hacker to trigger a service failure or cause other adverse effects

The vulnerability of the fmtstr function in the OpenSSL library crypto/bio/bprint.c is caused by buffer overflow. Exploiting this vulnerability could allow an attacker to cause a service failure or other effects such as reading beyond the memory boundaries using a long ASN.1 data string...

OpenSSH Implementations with X11Forwarding Enabled Should Heed Recent Security Update

Users who choose to enable X11Forwarding in OpenSSH, or those who use software products that re-enable it, should pay close attention to last Wednesday’s OpenSSH security update. The latest version of the open source implementation of the SSH protocol patches a flaw that exposes it to command...

Climber - Check UNIX/Linux Systems For Privilege Escalation

Automated auditing tool to check UNIX/Linux systems misconfigurations which may allow local privilege escalation. Dependencies python = 2.7 python-crypto python-mako python-paramiko Note Climber needs Exscript, a Python module and a template processor for automating network connections over...

OpenSSL Denial of Service Vulnerability (CNVD-2016-01479)

OpenSSL is an open source capable of implementing the Secure Sockets Layer SSL v2/v3 and Secure Transport Layer TLS v1 protocols developed by the OpenSSL team as a general-purpose cryptographic library that supports a wide range of cryptographic algorithms including symmetric ciphers, hash...

DEBIAN-CVE-2016-0799

The fmtstr function in crypto/bio/bprint.c in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g improperly calculates string lengths, which allows remote attackers to cause a denial of service overflow and out-of-bounds read or possibly have unspecified other impact via a long string, as...

Nearly Two Years After Heartbleed OpenSSL Operating With Renewed Vision

SAN FRANCISCO—Experts have stressed this week that DROWN is no Heartbleed, but at some point in the not too distant future, there’s going to be another major Internet vulnerability and developers at OpenSSL claim they’re battle tested. Rich Salz and Tim Hudson, members of OpenSSL’s development...

Crypto Panel Experts Clash on FBI-Apple Debate

SAN FRANCISCO—One would think that six of the smartest security people on the planet could come to some sort of collective conclusion on the FBI-Apple debate. But that wasn’t the case today during the annual Cryptographers’ Panel at RSA Conference. The debate over whether Apple should assist the...

CVE-2016-0797

Multiple integer overflows in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g allow remote attackers to cause a denial of service heap memory corruption or NULL pointer dereference or possibly have unspecified other impact via a long digit string that is mishandled by the 1 BNdec2bn or 2...

[SECURITY] Fedora 22 Update: botan-1.10.12-1.fc22

Botan is a BSD-licensed crypto library written in C++. It provides a wide variety of basic cryptographic algorithms, X.509 certificates and CRLs, PKCS \10 certificate requests, a filter/pipe message processing system, and a wide variety of other features, all written in portable C++. The API...

[SECURITY] Fedora 23 Update: qca-2.1.1-4.fc23

Taking a hint from the similarly-named Java Cryptography Architecture, QCA aims to provide a straightforward and cross-platform crypto API, using Qt datatypes and conventions. QCA separates the API from the implementation, using plugins known as Providers. The advantage of this model is to allow...

Important: Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

Updated kernel-rt packages that fix two security issues, several bugs, and add various enhancements are now available for Red Hat Enterprise MRG 2.5. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System CVSS base scores, which giv...

Disabled PadCrypt Ransomware Includes Live Chat, Uninstaller

Several flavors of ransomware, most notably Cryptowall, have come packaged with support features. But a new piece of crypto-ransomware called PadCrypt has upped the game with a live chat feature that victims can use to interact with the attackers about ransom payments and other information...

kernel security and bug fix update

3.10.0-327.10.1.OL7 - Oracle Linux certificates Alexey Petrenko 3.10.0-327.10.1 - of return NUMANONODE from fallback ofnodetonid Thadeu Lima de Souza Cascardo 1300614 1294398 - net openvswitch: do not allocate memory from offline numa node Thadeu Lima de Souza Cascardo 1300614 1294398...

How to Crack GCHQ Crypto Puzzle? — Here's the Solution

GCHQ has finally released the solution to their head spinning Xmas Puzzle, after all, the participants failed to reach the final answer. GCHQ had released a crypto puzzle, dubbed Xmas Puzzle, on 9th December in the form of a Christmas Card that went viral online soon after its release. Nearly...

CVE-2016-0811

Integer overflow in the BnCrypto::onTransact function in media/libmedia/ICrypto.cpp in libmediaplayerservice in Android 6.x before 2016-02-01 allows attackers to obtain sensitive information, and consequently bypass an unspecified protection mechanism, by triggering an improper size calculation, ...

[SECURITY] Fedora 23 Update: nettle-3.2-1.fc23

Nettle is a cryptographic library that is designed to fit easily in more or less any context: In crypto toolkits for object-oriented languages C++, Python, Pike, ..., in applications like LSH or GNUPG, or even in kernel space...