Red Hat Security Advisory 2023-0099-01 - Kernel-based Virtual Machine offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems. Issues addressed include an out of bounds read vulnerability.
8753f93fa0258ef75515559ad4767a2976163ac109746fa49270f8969ef50a83Red Hat Security Advisory 2012-1046-01 - PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. It was discovered that the PHP XSL extension did not restrict the file writing capability of libxslt. A remote attacker could use this flaw to create or overwrite an arbitrary file that is writable by the user running PHP, if a PHP script processed untrusted eXtensible Style Sheet Language Transformations content. Note: This update disables file writing by default. A new PHP configuration directive, "xsl.security_prefs", can be used to enable file writing in XSLT.
fe71e26fd75c9403f91014baf93c4a6d167a5d5aef0be73d9f6c0fe60b8a1865Red Hat Security Advisory 2012-1045-01 - PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. It was discovered that the PHP XSL extension did not restrict the file writing capability of libxslt. A remote attacker could use this flaw to create or overwrite an arbitrary file that is writable by the user running PHP, if a PHP script processed untrusted eXtensible Style Sheet Language Transformations content. Note: This update disables file writing by default. A new PHP configuration directive, "xsl.security_prefs", can be used to enable file writing in XSLT.
57bee9f577390f47d09269171763d581bac37a4751fb81fddb955d4db237ace9Red Hat Security Advisory 2012-1047-01 - PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. It was discovered that the PHP XSL extension did not restrict the file writing capability of libxslt. A remote attacker could use this flaw to create or overwrite an arbitrary file that is writable by the user running PHP, if a PHP script processed untrusted eXtensible Style Sheet Language Transformations content. Note: This update disables file writing by default. A new PHP configuration directive, "xsl.security_prefs", can be used to enable file writing in XSLT.
ad1e0d74169944968d087c38eeee1c4b790cf754e68c22a60bc2f608214be628Red Hat Security Advisory 2012-1041-01 - Red Hat Directory Server is an LDAPv3 compliant server. The base packages include the Lightweight Directory Access Protocol server and command-line utilities for server administration. A flaw was found in the way Red Hat Directory Server handled password changes. If an LDAP user had changed their password, and the directory server had not been restarted since that change, an attacker able to bind to the directory server could obtain the plain text version of that user's password via the "unhashed#user#password" attribute. It was found that when the password for an LDAP user was changed, and audit logging was enabled, the new password was written to the audit log in plain text form. This update introduces a new configuration parameter, "nsslapd-auditlog-logging-hide-unhashed-pw", which when set to "on", prevents Red Hat Directory Server from writing plain text passwords to the audit log. This option can be configured in "/etc/dirsrv/slapd-[ID]/dse.ldif".
02001d1e71ee84e1ac827dd563294cf7f71f0d1e542e4d2379a601515d3d2c88Red Hat Security Advisory 2012-1043-01 - libwpd is a library for reading and converting Corel WordPerfect Office documents. A buffer overflow flaw was found in the way libwpd processed certain Corel WordPerfect Office documents. An attacker could provide a specially-crafted .wpd file that, when opened in an application linked against libwpd, such as OpenOffice.org, would cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application. All libwpd users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. All running applications that are linked against libwpd must be restarted for this update to take effect.
e23252ae448c1a44a7f03eeeafc940ab7c8d750681fe5a9dbffb9731f0bfe7c1Red Hat Security Advisory 2012-1042-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A local, unprivileged user could use an integer overflow flaw in drm_mode_dirtyfb_ioctl() to cause a denial of service or escalate their privileges. It was found that the kvm_vm_ioctl_assign_device() function in the KVM subsystem of a Linux kernel did not check if the user requesting device assignment was privileged or not. A local, unprivileged user on the host could assign unused PCI devices, or even devices that were in use and whose resources were not properly claimed by the respective drivers, which could result in the host crashing.
40cee47ca38fd36212e40e2fc4e2a93d9ca6eec1d81c1a7cbc0f4200899d8b20Red Hat Security Advisory 2012-1037-01 - PostgreSQL is an advanced object-relational database management system. A flaw was found in the way the crypt() password hashing function from the optional PostgreSQL pgcrypto contrib module performed password transformation when used with the DES algorithm. If the password string to be hashed contained the 0x80 byte value, the remainder of the string was ignored when calculating the hash, significantly reducing the password strength. This made brute-force guessing more efficient as the whole password was not required to gain access to protected resources.
43dd84d900e99c3f1b88175c8d6cb0d767071c6eb772b1ec31adf8ed1f003585Red Hat Security Advisory 2012-1036-01 - PostgreSQL is an advanced object-relational database management system. A flaw was found in the way the crypt() password hashing function from the optional PostgreSQL pgcrypto contrib module performed password transformation when used with the DES algorithm. If the password string to be hashed contained the 0x80 byte value, the remainder of the string was ignored when calculating the hash, significantly reducing the password strength. This made brute-force guessing more efficient as the whole password was not required to gain access to protected resources.
91db521987a8f25ecabb7834e60cc56577345d64eb97ff886fb0176153721100Red Hat Security Advisory 2012-1028-01 - JBoss Enterprise BRMS Platform is a business rules management system for the management, storage, creation, modification, and deployment of JBoss Rules. The Java Naming and Directory Interface Java API allows Java software clients to locate objects or services in an application server. This release of JBoss Enterprise BRMS Platform 5.3.0 serves as a replacement for JBoss Enterprise BRMS Platform 5.2.0. It includes various bug fixes and enhancements which are detailed in the JBoss Enterprise BRMS Platform 5.3.0 Release Notes.
f5a6eab4adeb9bde444f861593d0766d2577f80b17b7949872cefc121c3995e8Red Hat Security Advisory 2012-1024-01 - JBoss Application Server is the base package for JBoss Enterprise Application Platform, providing the core server components. The Java Naming and Directory Interface Java API allows Java software clients to locate objects or services in an application server. It was found that the JBoss JNDI service allowed unauthenticated, remote write access by default. The JNDI and HA-JNDI services, and the HAJNDIFactory invoker servlet were all affected. A remote attacker able to access the JNDI service, HA-JNDI service, or the HAJNDIFactory invoker servlet on a JBoss server could use this flaw to add, delete, and modify items in the JNDI tree. This could have various, application-specific impacts.
8cc9c3945525422b04633921dec6bd1564cbb738676ec11d5e3d8b5b39714c3eRed Hat Security Advisory 2012-1027-01 - JBoss Application Server is the base package for JBoss Enterprise Web Platform, providing the core server components. The Java Naming and Directory Interface Java API allows Java software clients to locate objects or services in an application server. The Java Authorization Contract for Containers specification defines Permission classes and the binding of container access decisions to operations on instances of these permission classes. JaccAuthorizationRealm performs authorization based on Java ACC permissions and a Policy implementation. It was found that the JBoss JNDI service allowed unauthenticated, remote write access by default. The JNDI and HA-JNDI services, and the HAJNDIFactory invoker servlet were all affected. A remote attacker able to access the JNDI service, HA-JNDI service, or the HAJNDIFactory invoker servlet on a JBoss server could use this flaw to add, delete, and modify items in the JNDI tree. This could have various, application-specific impacts.
1578bf172d8363fc992779d77d8a4145fd48215f84c717867f2aff0ef979d171Red Hat Security Advisory 2012-1025-01 - JBoss Application Server is the base package for JBoss Enterprise Application Platform, providing the core server components. The Java Naming and Directory Interface Java API allows Java software clients to locate objects or services in an application server. It was found that the JBoss JNDI service allowed unauthenticated, remote write access by default. The JNDI and HA-JNDI services, and the HAJNDIFactory invoker servlet were all affected. A remote attacker able to access the JNDI service, HA-JNDI service, or the HAJNDIFactory invoker servlet on a JBoss server could use this flaw to add, delete, and modify items in the JNDI tree. This could have various, application-specific impacts.
438ecd3704f472ac339ff1c305b869175056410b1f32535578f2aaf8cef02993Red Hat Security Advisory 2012-1026-01 - JBoss Application Server is the base package for JBoss Enterprise Application Platform, providing the core server components. The Java Naming and Directory Interface Java API allows Java software clients to locate objects or services in an application server. The Java Authorization Contract for Containers specification defines Permission classes and the binding of container access decisions to operations on instances of these permission classes. JaccAuthorizationRealm performs authorization based on Java ACC permissions and a Policy implementation. It was found that the JBoss JNDI service allowed unauthenticated, remote write access by default. The JNDI and HA-JNDI services, and the HAJNDIFactory invoker servlet were all affected. A remote attacker able to access the JNDI service, HA-JNDI service, or the HAJNDIFactory invoker servlet on a JBoss server could use this flaw to add, delete, and modify items in the JNDI tree. This could have various, application-specific impacts.
4168e8b5dde8d8685ff22bfc83da9f6eacabfa3c71ef704249f1b017705b45a7Red Hat Security Advisory 2012-1023-01 - JBoss Application Server is the base package for JBoss Enterprise Web Platform, providing the core server components. The Java Naming and Directory Interface Java API allows Java software clients to locate objects or services in an application server. It was found that the JBoss JNDI service allowed unauthenticated, remote write access by default. The JNDI and HA-JNDI services, and the HAJNDIFactory invoker servlet were all affected. A remote attacker able to access the JNDI service, HA-JNDI service, or the HAJNDIFactory invoker servlet on a JBoss server could use this flaw to add, delete, and modify items in the JNDI tree. This could have various, application-specific impacts.
af4b1c4d6857f6b733bd13ef19814d9228ac4ff24bec6d9d9171c97b4150362eRed Hat Security Advisory 2012-1022-01 - JBoss Application Server is the base package for JBoss Enterprise Application Platform, providing the core server components. The Java Naming and Directory Interface Java API allows Java software clients to locate objects or services in an application server. It was found that the JBoss JNDI service allowed unauthenticated, remote write access by default. The JNDI and HA-JNDI services, and the HAJNDIFactory invoker servlet were all affected. A remote attacker able to access the JNDI service, HA-JNDI service, or the HAJNDIFactory invoker servlet on a JBoss server could use this flaw to add, delete, and modify items in the JNDI tree. This could have various, application-specific impacts.
af9bdf7c93929aa109a8674418359aeec8a8c9c8ff4dcb42a6ff52118a155d22Red Hat Security Advisory 2012-1009-01 - These packages provide the OpenJDK 7 Java Runtime Environment and the OpenJDK 7 Software Development Kit. Multiple flaws were discovered in the CORBA implementation in Java. A malicious Java application or applet could use these flaws to bypass Java sandbox restrictions or modify immutable object data. It was discovered that the SynthLookAndFeel class from Swing did not properly prevent access to certain UI elements from outside the current application context. A malicious Java application or applet could use this flaw to crash the Java Virtual Machine, or bypass Java sandbox restrictions.
99830cdb701cb4aacf23d03be256ab6de994c9db6a37ccfd17ca394f12c296a5Red Hat Security Advisory 2012-0997-01 - The 389 Directory Server is an LDAPv3 compliant server. The base packages include the Lightweight Directory Access Protocol server and command-line utilities for server administration. A flaw was found in the way 389 Directory Server handled password changes. If an LDAP user has changed their password, and the directory server has not been restarted since that change, an attacker able to bind to the directory server could obtain the plain text version of that user's password via the "unhashed#user#password" attribute. It was found that when the password for an LDAP user was changed, and audit logging was enabled, the new password was written to the audit log in plain text form. This update introduces a new configuration parameter, "nsslapd-auditlog-logging-hide-unhashed-pw", which when set to "on", prevents 389 Directory Server from writing plain text passwords to the audit log. This option can be configured in "/etc/dirsrv/slapd-[ID]/dse.ldif".
d8fcd715d68abc63df0d8bfd8b39169de1feaa4b944697d2033befadfa07578fRed Hat Security Advisory 2012-1019-01 - The Oracle Java 7 release includes the Oracle Java 7 Runtime Environment and the Oracle Java 7 Software Development Kit. This update fixes several vulnerabilities in the Oracle Java 7 Runtime Environment and the Oracle Java 7 Software Development Kit.
c464d44edf6034c1d19c95a9a567ade0e3de45ee7d4f51ed06cdd780104ed0daRed Hat Security Advisory 2012-0973-04 - Network Security Services is a set of libraries designed to support the cross-platform development of security-enabled client and server applications. Netscape Portable Runtime provides platform independence for non-GUI operating system facilities. It was found that a Certificate Authority issued a subordinate CA certificate to its customer, that could be used to issue certificates for any name. This update renders the subordinate CA certificate as untrusted. Note: This fix only applies to applications using the NSS Builtin Object Token. It does not render the certificates untrusted for applications that use the NSS library, but do not use the NSS Builtin Object Token.
bd86edb0d7d1e0e9eb08ff6f70f96509f32f3170947d1f455892784f3cc8b4f1Red Hat Security Advisory 2012-0987-04 - The SBLIM CIM 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 standards. It was found that the Java HashMap implementation was susceptible to predictable hash collisions. SBLIM uses HashMap when parsing XML inputs. A specially-crafted CIM-XML message from a WBEM server could cause a SBLIM client to use an excessive amount of CPU. Randomization has been added to help avoid collisions.
6a48b1d7c0f576664e0023632b7561dea4d49dd024cd9600a79c9516154bf593Red Hat Security Advisory 2012-0958-04 - The sos package contains a set of tools that gather information from system hardware, logs and configuration files. The information can then be used for diagnostic purposes and debugging. The sosreport utility collected the Kickstart configuration file, but did not remove the root user's password from it before adding the file to the resulting archive of debugging information. An attacker able to access the archive could possibly use this flaw to obtain the root user's password. "/root/anaconda-ks.cfg" usually only contains a hash of the password, not the plain text password.
03ed5dafab5d4b2b65c9f7dda0dbbc677dca70ad262f3abffdc9d6c85f4d2ea2Red Hat Security Advisory 2012-0939-04 - X.Org is an open source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon. A flaw was found in the way the X.Org server handled lock files. A local user with access to the system console could use this flaw to determine the existence of a file in a directory not accessible to the user, via a symbolic link attack. A race condition was found in the way the X.Org server managed temporary lock files. A local attacker could use this flaw to perform a symbolic link attack, allowing them to make an arbitrary file world readable, leading to the disclosure of sensitive information.
056bbb8f9c917f5519bbd54df7dac67565efe3792cceacb35765ad54e8033a0fRed Hat Security Advisory 2012-0862-04 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel's Event Poll subsystem handled large, nested epoll structures. A local, unprivileged user could use this flaw to cause a denial of service. A malicious Network File System version 4 server could return a crafted reply to a GETACL request, causing a denial of service on the client.
be99652631acf308081c309fa75b7d32c58d1a6344e7d63df7e8cfbd8b79fb8eRed Hat Security Advisory 2012-0841-04 - ABRT is a tool to help users to detect defects in applications and to create a bug report with all the information needed by a maintainer to fix it. It uses a plug-in system to extend its functionality. libreport provides an API for reporting different problems in applications to different bug targets, such as Bugzilla, FTP, and Trac. The btparser utility is a backtrace parser and analyzer library, which works with backtraces produced by the GNU Project Debugger. It can parse a text file with a backtrace to a tree of C structures, allowing to analyze the threads and frames of the backtrace and process them.
bd72154a1c7c9f34d01a0388a2d739ac8d018b2bd3b877ce4278e6dd64c6a0a6Red Hat Security Advisory 2012-0902-04 - The cifs-utils package contains tools for mounting and managing shares on Linux using the SMB/CIFS protocol. The CIFS shares can be used as standard Linux file systems. A file existence disclosure flaw was found in mount.cifs. If the tool was installed with the setuid bit set, a local attacker could use this flaw to determine the existence of files or directories in directories not accessible to the attacker. Note: mount.cifs from the cifs-utils package distributed by Red Hat does not have the setuid bit set. We recommend that administrators do not manually set the setuid bit for mount.cifs.
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