Critical: Red Hat Security Advisory: pcre security update

Updated pcre packages that correct two security flaws are now available for Red Hat Enterprise Linux 5. This update has been rated as having critical security impact by the Red Hat Security Response Team. PCRE is a Perl-compatible regular expression library. Multiple flaws were found in the way...

pcre -- arbitrary code execution

Debian project reports: Tavis Ormandy of the Google Security Team has discovered several security issues in PCRE, the Perl-Compatible Regular Expression library, which potentially allow attackers to execute arbitrary code by compiling specially crafted regular expressions...

openSUSE 10 Security Update : libtiff (libtiff-1907)

This update of libtiff is the result of a source-code audit done by Tavis Ormandy. It fixes various bugs that can lead to denial-of-service conditions as well as to remote code execution while parsing a tiff image. CVE-2006-3459, CVE-2006-3460, CVE-2006-3461, CVE-2006-3462, CVE-2006-3463,...

[SECURITY] [DSA 1351-] New bochs packages fix privilege escalation

-------------------------------------------------------------------------- Debian Security Advisory DSA 1351-1 [email protected] http://www.debian.org/security/ Moritz Muehlenhoff August 7th, 2007 http://www.debian.org/security/faq -...

Moderate: Red Hat Security Advisory: libpng security update

Updated libpng packages that fix security issues are now available for Red Hat Enterprise Linux. This update has been rated as having moderate security impact by the Red Hat Security Response Team. The libpng package contains a library of functions for creating and manipulating PNG Portable Netwo...

Debian DSA-1284-1 : qemu - several vulnerabilities

Several vulnerabilities have been discovered in the QEMU processor emulator, which may lead to the execution of arbitrary code or denial of service. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2007-1320 Tavis Ormandy discovered that a memory manageme...

Mandrake Linux Security Advisory : doxygen (MDKSA-2006:212)

Doxygen is a documentation system for C, C++ and IDL. It is built with a private copy of libpng, and as such could be susceptible to some of the same vulnerabilities : Buffer overflow in the pngdecompresschunk function in pngrutil.c in libpng before 1.2.12 allows context-dependent attackers to...

SUSE-SA:2006:056: gzip

The remote host is missing the patch for the advisory SUSE-SA:2006:056 gzip. The gzip tool does not handle some specific values correctly when unpacking archives. This leads to vulnerabilities like buffer overflows or infinite loops. Various different programs like mail clients, file explorer, et...

SUSE-SA:2006:044: libtiff

The remote host is missing the patch for the advisory SUSE-SA:2006:044 libtiff. This update of libtiff is the result of a source-code audit done by Tavis Ormandy, Google Security Team. It fixes various bugs that can lead to denial-of-service conditions as well as to remote code execution while...

USN-393-1: GnuPG vulnerability

Tavis Ormandy discovered that gnupg was incorrectly using the stack. If a user were tricked into processing a specially crafted message, an attacker could execute arbitrary code with the user's privileges...

USN-383-1: libpng vulnerability

Tavis Ormandy discovered that libpng did not correctly calculate the size of sPLT structures when reading an image. By tricking a user or an automated system into processing a specially crafted PNG file, an attacker could exploit this weakness to crash the application using the library...

Debian DSA-1054-1 : tiff - several vulnerabilities

Tavis Ormandy discovered several vulnerabilities in the TIFF library that can lead to a denial of service or the execution of arbitrary code. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2006-2024 Multiple vulnerabilities allow attackers to cause a...

Debian DSA-1181-1 : gzip - several vulnerabilities

Tavis Ormandy from the Google Security Team discovered several vulnerabilities in gzip, the GNU compression utility. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2006-4334 A NULL pointer dereference may lead to denial of service if gzip is used in an...

GLSA-200610-03 : ncompress: Buffer Underflow

The remote host is affected by the vulnerability described in GLSA-200610-03 ncompress: Buffer Underflow Tavis Ormandy of the Google Security Team discovered a static buffer underflow in ncompress. Impact : An attacker could create a specially crafted LZW archive, that when decompressed by a user...

openssh43p1DoS.txt

!/bin/bash OpenSSH CRC compensation attack detection DoS PoC. Tavis Ormandy Yes, I really did implement crc-32 in bash. usage: script victim hostname hostname=$1:-localhost port=$2:-22 where the fifo is created to communicate with netcat fifo=/tmp/nc.$$ make the fifos mkfifo $fifo.in mkfifo...

USN-355-1: openssh vulnerabilities

Tavis Ormandy discovered that the SSH daemon did not properly handle authentication packets with duplicated blocks. By sending specially crafted packets, a remote attacker could exploit this to cause the ssh daemon to drain all available CPU resources until the login grace time expired...

GLSA-200609-17 : OpenSSH: Denial of Service

The remote host is affected by the vulnerability described in GLSA-200609-17 OpenSSH: Denial of Service Tavis Ormandy of the Google Security Team discovered a Denial of Service vulnerability in the SSH protocol version 1 CRC compensation attack detector. Impact : A remote unauthenticated attacker...

OpenSSH 4.3 p1 - Duplicated Block Remote Denial of Service

OpenSSH 4.3 p1 - Duplicated Block Remote Denial of Service !/bin/bash OpenSSH CRC compensation attack detection DoS PoC. Tavis Ormandy Yes, I really did implement crc-32 in bash. usage: script victim hostname hostname=$1:-localhost port=$2:-22 where the fifo is created to communicate with netcat...

GLSA-200609-13 : gzip: Multiple vulnerabilities

The remote host is affected by the vulnerability described in GLSA-200609-13 gzip: Multiple vulnerabilities Tavis Ormandy of the Google Security Team has reported multiple vulnerabilities in gzip. A stack buffer modification vulnerability was discovered in the LZH decompression code, where a...

USN-349-1: gzip vulnerabilities

Tavis Ormandy discovered that gzip did not sufficiently verify the validity of gzip or compress archives while unpacking. By tricking an user or automated system into unpacking a specially crafted compressed file, this could be exploited to execute arbitrary code with the user's privileges...