serf certificate name spoofing vulnerability

Certificate spoofing via NUL byte...

The poisoned NUL byte, 2014 edition

Posted by Chris Evans, Exploit Writer Underling to Tavis Ormandy Back in this 1998 post to the Bugtraq mailing list, Olaf Kirch outlined an attack he called “The poisoned NUL byte”. It was an off-by-one error leading to writing a NUL byte outside the bounds of the current stack frame. On i386...

Authentication Bypass

Overview Affected versions of this package are vulnerable to Authentication Bypass. The 1 serfsslcertissuer, 2 serfsslcertsubject, and 3 serfsslcertcertificate functions in Serf 0.2.0 through 1.3.x before 1.3.7 does not properly handle a NUL byte in a domain name in the subject's Common Name CN...

CVE-2014-3504

The 1 serfsslcertissuer, 2 serfsslcertsubject, and 3 serfsslcertcertificate functions in Serf 0.2.0 through 1.3.x before 1.3.7 does not properly handle a NUL byte in a domain name in the subject's Common Name CN field of an X.509 certificate, which allows man-in-the-middle attackers to spoof...

Ubuntu: Security Advisory (USN-2315-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2014 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-2315-1: serf vulnerability

Ben Reser discovered that serf did not correctly handle SSL certificates with NUL bytes in the CommonName or SubjectAltNames fields. A remote attacker could exploit this to perform a machine-in-the-middle attack to view sensitive information or alter encrypted communications...

openssl: information leak in pretty printing functions

It was discovered that the OBJobj2txt function could fail to properly NUL-terminate its output. This could possibly cause an application using OpenSSL functions to format fields of X.509 certificates to disclose portions of its memory...

CentOS Update for openssl CESA-2014:1052 centos6

The remote host is missing an update for the SPDX-FileCopyrightText: 2014 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

DEBIAN-CVE-2014-3508

The OBJobj2txt function in crypto/objects/objdat.c in OpenSSL 0.9.8 before 0.9.8zb, 1.0.0 before 1.0.0n, and 1.0.1 before 1.0.1i, when pretty printing is used, does not ensure the presence of '\0' characters, which allows context-dependent attackers to obtain sensitive information from process...

openssl security update

CentOS Errata and Security Advisory CESA-2014:1052 Updated openssl packages that fix multiple security issues are now available for Red Hat Enterprise Linux 6 and 7. Red Hat Product Security has rated this update as having Moderate security impact. Common Vulnerability Scoring System CVSS base...

FreeBSD : serf -- SSL Certificate Null Byte Poisoning (69048656-2187-11e4-802c-20cf30e32f6d)

serf Development list reports : Serf provides APIs to retrieve information about a certificate. These APIs return the information as NUL terminated strings commonly called C strings. X.509 uses counted length strings which may include a NUL byte. This means that a library user will interpret any...

[DLA 25-1] python2.6 security update

Package : python2.6 Version : 2.6.6-8+deb6u1 CVE ID : CVE-2011-1015 CVE-2011-1521 CVE-2011-4940 CVE-2011-4944 CVE-2012-0845 CVE-2012-1150 CVE-2013-4238 CVE-2014-1912 Multiple vulnerabilities were discovered in python2.6. The more relevant are: CVE-2013-4238 Incorrect handling of NUL bytes in...

openSUSE Security Update : dovecot20 (dovecot20-4610)

dovecot crash when parsing mail headers that contain NUL characters CVE-2011-1929 %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from openSUSE Security Update dovecot20-4610. The text description of this plugin is C SUSE...

openSUSE Security Update : dovecot12 (dovecot12-4609)

dovecot crash when parsing mail headers that contain NUL characters CVE-2011-1929 %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from openSUSE Security Update dovecot12-4609. The text description of this plugin is C SUSE...

openSUSE Security Update : chromium (openSUSE-SU-2013:0236-1)

Update to 26.0.1383 - Security fixes bnc798326 - CVE-2012-5145: Use-after-free in SVG layout - CVE-2012-5146: Same origin policy bypass with malformed URL - CVE-2012-5147: Use-after-free in DOM handling - CVE-2012-5148: Missing filename sanitization in hyphenation support - CVE-2012-5149: Integer...

openSUSE Security Update : python-pyOpenSSL (openSUSE-SU-2013:1648-1)

update to 0.13.1 fixes the following security issue: NUL byte handling in subjectAltName bnc839107, CVE-2013-4314 CVE-2013-4314 %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from openSUSE Security Update openSUSE-2013-82...

Advisory 01/2013: PHP openssl_x509_parse() Memory Corruption Vulnerability

SektionEins GmbH www.sektioneins.de -= Security Advisory =- Advisory: PHP opensslx509parse Memory Corruption Vulnerability Release Date: 2013/12/13 Last Modified: 2013/12/13 Author: Stefan Esser stefan.esseratsektioneins.de Application: PHP 4.0.6 - PHP 4.4.9 PHP 5.0.x PHP 5.1.x PHP 5.2.x PHP 5.3....

PHP openssl_x509_parse() Memory Corruption Vulnerability

Exploit for php platform in category dos / poc Overview: Quote from http://www.php.net "PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML." The PHP function opensslx509parse uses a helper function called...

PHP openssl_x509_parse() Memory Corruption Vulnerability

The PHP function opensslx509parse uses a helper function called asn1timetotimet to convert timestamps from ASN1 string format into integer timestamp values. The parser within this helper function is not binary safe and can therefore be tricked to write up to five NUL bytes outside of an allocated...

FreeBSD : PHP5 -- memory corruption in openssl_x509_parse() (47b4e713-6513-11e3-868f-0025905a4771)

Stefan Esser reports : The PHP function opensslx509parse uses a helper function called asn1timetotimet to convert timestamps from ASN1 string format into integer timestamp values. The parser within this helper function is not binary safe and can therefore be tricked to write up to five NUL bytes...