Scientific Linux Security Update : bind-dyndb-ldap on SL6.x i386/x86_64 (20120521)

The dynamic LDAP back end is a plug-in for BIND that provides back-end capabilities to LDAP databases. It features support for dynamic updates and internal caching that help to reduce the load on LDAP servers. A flaw was found in the way bind-dyndb-ldap handled LDAP query errors. If a remote...

Scientific Linux Security Update : NetworkManager on SL6.x i386/x86_64

NetworkManager is a network link manager that attempts to keep a wired or wireless network connection active at all times. The ifcfg-rh NetworkManager plug-in is used in Scientific Linux distributions to read and write configuration information from the /etc/sysconfig/network-scripts/ifcfg- files...

Scientific Linux Security Update : libtiff on SL5.x, SL6.x i386/x86_64 (20120410)

The libtiff packages contain a library of functions for manipulating Tagged Image File Format TIFF files. Two integer overflow flaws, leading to heap-based buffer overflows, were found in the way libtiff attempted to allocate space for a tile in a TIFF image file. An attacker could use these flaw...

Scientific Linux Security Update : openswan on SL5.x, SL6.x i386/x86_64

Openswan is a free implementation of Internet Protocol Security IPsec and Internet Key Exchange IKE. IPsec uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks. A use-after-free flaw was found ...

Scientific Linux Security Update : kvm on SL5.x x86_64 (20120221)

KVM Kernel-based Virtual Machine is a full virtualization solution for Linux on AMD64 and Intel 64 systems. KVM is a Linux kernel module built for the standard Scientific Linux kernel. It was found that the kvmvmioctlassigndevice function in the KVM subsystem of a Linux kernel did not check if th...

Scientific Linux Security Update : jasper on SL6.x i386/x86_64

JasPer is an implementation of Part 1 of the JPEG 2000 image compression standard. Two heap-based buffer overflow flaws were found in the way JasPer decoded JPEG 2000 compressed image files. An attacker could create a malicious JPEG 2000 compressed image file that, when opened, would cause...

Scientific Linux Security Update : qemu-kvm on SL6.x x86_64

KVM Kernel-based Virtual Machine is a full virtualization solution for Linux on AMD64 and Intel 64 systems. qemu-kvm is the user-space component for running virtual machines using KVM. It was found that qemu-kvm did not properly drop supplemental group privileges when the root user started guests...

Scientific Linux Security Update : kernel on SL5.x i386/x86_64

The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issues : - A NULL pointer dereference flaw was found in the Linux kernel's Stream Control Transmission Protocol SCTP implementation. A remote attacker could send a...

Scientific Linux Security Update : libvirt on SL6.x i386/x86_64

The libvirt library is a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. In addition, libvirt provides tools for remotely managing virtualized systems. An integer overflow flaw was found in libvirtd's RPC call handling. An attacker abl...

Scientific Linux Security Update : ecryptfs-utils on SL5.x, SL6.x i386/x86_64

eCryptfs is a stacked, cryptographic file system. It is transparent to the underlying file system and provides per-file granularity. The setuid mount.ecryptfsprivate utility allows users to mount an eCryptfs file system. This utility can only be run by users in the 'ecryptfs' group. A race...

Scientific Linux Security Update : systemtap on SL6.x i386/x86_64

SystemTap is an instrumentation system for systems running the Linux kernel. The system allows developers to write scripts to collect data on the operation of the system. It was found that SystemTap did not perform proper module path sanity checking if a user specified a custom path to the uprobe...

Scientific Linux Security Update : sysstat on SL5.x i386/x86_64

The sysstat package contains a set of utilities which enable system monitoring of disks, network, and other I/O activity. It was found that the sysstat initscript created a temporary file in an insecure way. A local attacker could use this flaw to create arbitrary files via a symbolic link attack...

Scientific Linux Security Update : systemtap on SL5.x, SL6.x i386/x86_64 (20120308)

SystemTap is an instrumentation system for systems running the Linux kernel. The system allows developers to write scripts to collect data on the operation of the system. An invalid pointer read flaw was found in the way SystemTap handled malformed debugging information in DWARF format. When...

Scientific Linux Security Update : firefox on SL4.x, SL5.x, SL6.x i386/x86_64

Mozilla Firefox is an open source web browser. XULRunner provides the XUL Runtime environment for Mozilla Firefox. It was found that a Certificate Authority CA issued a fraudulent HTTPS certificate. This update renders any HTTPS certificates signed by that CA as untrusted, except for a select few...

Scientific Linux Security Update : python on SL5.x i386/x86_64 (20120618)

Python is an interpreted, interactive, object-oriented programming language. A denial of service flaw was found in the implementation of associative arrays dictionaries in Python. An attacker able to supply a large number of inputs to a Python application such as HTTP POST request parameters sent...

Scientific Linux Security Update : sblim-cim-client2 on SL6.x (20120620)

The SBLIM Standards-Based Linux Instrumentation for Manageability CIM Common Information Model Client is a class library for Java applications that provides access to CIM servers using the CIM Operations over HTTP protocol defined by the DMTF Distributed Management Task Force standards. It was...

Scientific Linux Security Update : cyrus-imapd on SL4.x, SL5.x, SL6.x i386/x86_64

The cyrus-imapd packages contain a high-performance mail server with IMAP, POP3, NNTP, and Sieve support. It was discovered that cyrus-imapd did not flush the received commands buffer after switching to TLS encryption for IMAP, LMTP, NNTP, and POP3 sessions. A man-in-the-middle attacker could use...

Scientific Linux Security Update : expat on SL5.x, SL6.x i386/x86_64 (20120613)

Expat is a C library written by James Clark for parsing XML documents. A denial of service flaw was found in the implementation of hash arrays in Expat. An attacker could use this flaw to make an application using Expat consume an excessive amount of CPU time by providing a specially crafted XML...

Scientific Linux Security Update : php53 and php on SL5.x, SL6.x i386/x86_64 (20120111)

PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. It was found that the hashing routine used by PHP arrays was susceptible to predictable hash collisions. If an HTTP POST request to a PHP application contained many parameters whose names map to the same hash...

Scientific Linux Security Update : fuse on SL6.x i386/x86_64

FUSE Filesystem in Userspace can implement a fully functional file system in a user-space program. These packages provide the mount utility, fusermount, the tool used to mount FUSE file systems. Multiple flaws were found in the way fusermount handled the mounting and unmounting of directories whe...