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 : tomcat6 on SL6.x i386/x86_64

Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages JSP technologies. It was found that web applications could modify the location of the Tomcat host's work directory. As web applications deployed on Tomcat have read and write access to this directory, a malicious web...

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 : 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 : 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 : 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 : 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 : 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 : 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 : 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 : 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 : icu on SL5.x, SL6.x i386/x86_64

The International Components for Unicode ICU library provides robust and full-featured Unicode services. A stack-based buffer overflow flaw was found in the way ICU performed variant canonicalization for some locale identifiers. If a specially crafted locale representation was opened in an...

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 : ruby on SL5.x i386/x86_64

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to do system management tasks. A flaw was found in the way large amounts of memory were allocated on 64-bit systems when using the BigDecimal class. A context-dependent attacker coul...

Scientific Linux Security Update : libtasn1 on SL6.x i386/x86_64 (20120327)

libtasn1 is a library developed for ASN.1 Abstract Syntax Notation One structures management that includes DER Distinguished Encoding Rules encoding and decoding. A flaw was found in the way libtasn1 decoded DER data. An attacker could create carefully-crafted DER encoded input such as an X.509...

Scientific Linux Security Update : sudo on SL5.x, SL6.x i386/x86_64 (20120716)

The sudo superuser do utility allows system administrators to give certain users the ability to run commands as root. A flaw was found in the way the network matching code in sudo handled multiple IP networks listed in user specification configuration directives. A user, who is authorized to run...

Scientific Linux Security Update : kernel on SL6.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 : - Flaws in the AGPGART driver implementation when handling certain IOCTL commands could allow a local user to cause a denial of service or escalate their...

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

The libsndfile packages provide a library for reading and writing sound files. An integer overflow flaw, leading to a heap-based buffer overflow, was found in the way the libsndfile library processed certain Ensoniq PARIS Audio Format PAF audio files. An attacker could create a specially crafted...

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

The kdelibs packages provide libraries for the K Desktop Environment KDE. An input sanitization flaw was found in the KSSL KDE SSL Wrapper API. An attacker could supply a specially crafted SSL certificate for example, via a web page to an application using KSSL, such as the Konqueror web browser,...

Scientific Linux Security Update : libxml2 on SL4.x i386/x86_64 (20120111)

The libxml2 library is a development toolbox providing the implementation of various XML standards. One of those standards is the XML Path Language XPath, which is a language for addressing parts of an XML document. A heap-based buffer overflow flaw was found in the way libxml2 decoded entity...