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 : 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 : 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 : 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 : 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 : 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 : 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 : samba on SL5.x i386/x86_64 (20120223)

Samba is a suite of programs used by machines to share files, printers, and other information. An input validation flaw was found in the way Samba handled Any Batched AndX requests. A remote, unauthenticated attacker could send a specially crafted SMB packet to the Samba server, possibly resultin...

Scientific Linux Security Update : conga on SL4.x i386/x86_64

The conga packages provide a web-based administration tool for remote cluster and storage management. A privilege escalation flaw was found in luci, the Conga web-based administration application. A remote attacker could possibly use this flaw to obtain administrative access, allowing them to rea...

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

Virtual Network Computing VNC is a remote display system which allows you to view a computer's desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients. It wa...

Scientific Linux Security Update : php on SL5.x, SL6.x i386/x86_64 (20120507)

PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. A flaw was found in the way the php-cgi executable processed command line arguments when running in CGI mode. A remote attacker could send a specially crafted request to a PHP script that would result in the que...

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 : 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 : php on SL4.x, SL5.x, SL6.x i386/x86_64 (20120202)

PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. It was discovered that the fix for CVE-2011-4885 released via previous php packages introduced an uninitialized memory use flaw. A remote attacker could send a specially crafted HTTP request to cause the PHP...

Scientific Linux Security Update : raptor on SL6.x i386/x86_64 (20120322)

Raptor provides parsers for Resource Description Framework RDF files. An XML External Entity expansion flaw was found in the way Raptor processed RDF files. If an application linked against Raptor were to open a specially crafted RDF file, it could possibly allow a remote attacker to obtain a cop...

Scientific Linux Security Update : openssl on SL5.x, SL6.x i386/x86_64 (20120424)

OpenSSL is a toolkit that implements the Secure Sockets Layer SSL v2/v3 and Transport Layer Security TLS v1 protocols, as well as a full-strength, general purpose cryptography library. Multiple numeric conversion errors, leading to a buffer overflow, were found in the way OpenSSL parsed ASN.1...

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

The Apache Portable Runtime APR is a portability library used by the Apache HTTP Server and other projects. It provides a free library of C data structures and routines. The fix for CVE-2011-0419 introduced an infinite loop flaw in the aprfnmatch function when the APRFNMPATHNAME matching flag was...

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

SystemTap is an instrumentation system for systems running the Linux kernel, version 2.6. Developers can write scripts to collect data on the operation of the system. Two divide-by-zero flaws were found in the way SystemTap handled malformed debugging information in DWARF format. When SystemTap...

Scientific Linux Security Update : php53 on SL5.x i386/x86_64 (20120202)

PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. It was discovered that the fix for CVE-2011-4885 released via in a previous update for php53 introduced an uninitialized memory use flaw. A remote attacker could send a specially crafted HTTP request to cause th...