Red Hat

Multiple memory leaks in Red Hat Directory Server 7.1 before SP7, Red Hat Directory Server 8, and Fedora Directory Server 1.1.1 and earlier allow remote attackers to cause a denial of service (memory consumption) via vectors involving (1) the authentication / bind phase and (2)…

Certain Red Hat Enterprise Linux (RHEL) 4 and 5 packages for OpenSSH, as signed in August 2008 using a legitimate Red Hat GPG key, contain an externally introduced modification (Trojan Horse) that allows the package authors to have an unknown impact. NOTE: since the malicious…

yum-rhn-plugin in Red Hat Enterprise Linux (RHEL) 5 does not verify the SSL certificate for a file download from a Red Hat Network (RHN) server, which makes it easier for remote man-in-the-middle attackers to cause a denial of service (loss of updates) or force the download and…

QEMU 0.9.0 does not properly handle changes to removable media, which allows guest OS users to read arbitrary files on the host OS by using the diskformat: parameter in the -usbdevice option to modify the disk-image header to identify a different format, a related issue to…

The snd_seq_oss_synth_make_info function in sound/core/seq/oss/seq_oss_synth.c in the sound subsystem in the Linux kernel before 2.6.27-rc2 does not verify that the device number is within the range defined by max_synthdev before returning certain data to the caller, which…

A certain Red Hat build script for nfs-utils before 1.0.9-35z.el5_2 on Red Hat Enterprise Linux (RHEL) 5 omits TCP wrappers support, which might allow remote attackers to bypass intended access restrictions.

setup.exe before 2.573.2.3 in Cygwin does not properly verify the authenticity of packages, which allows remote Cygwin mirror servers or man-in-the-middle attackers to execute arbitrary code via a package list containing the MD5 checksum of a Trojan horse package.

Memory leak in a certain Red Hat deployment of vsftpd before 2.0.5 on Red Hat Enterprise Linux (RHEL) 3 and 4, when PAM is used, allows remote attackers to cause a denial of service (memory consumption) via a large number of invalid authentication attempts within the same…

Red Hat PKI Common Framework (rhpki-common) in Red Hat Certificate System (aka Certificate Server or RHCS) 7.1 through 7.3, and Netscape Certificate Management System 6.x, does not recognize Certificate Authority profile constraints on Extensions, which might allow remote…

Double free vulnerability in the utrace support in the Linux kernel, probably 2.6.18, in Red Hat Enterprise Linux (RHEL) 5 and Fedora Core 6 (FC6) allows local users to cause a denial of service (oops), as demonstrated by a crash when running the GNU GDB testsuite, a different…

Untrusted search path vulnerability in a certain Red Hat build script for Standards Based Linux Instrumentation for Manageability (sblim) libraries before 1-13a.el4_6.1 in Red Hat Enterprise Linux (RHEL) 4, and before 1-31.el5_2.1 in RHEL 5, allows local users to gain privileges…

Untrusted search path vulnerability in a certain Red Hat build script for OpenOffice.org (OOo) 1.1.x on Red Hat Enterprise Linux (RHEL) 3 and 4 allows local users to gain privileges via a malicious library in the current working directory, related to incorrect quoting of the…

The default configuration of consolehelper in system-config-network before 1.5.10-1 on Fedora 8 lacks the USER=root directive, which allows local users of the workstation console to gain privileges and change the network configuration.

The International Components for Unicode (ICU) library in Apple Mac OS X before 10.5.3, Red Hat Enterprise Linux 5, and other operating systems omits some invalid character sequences during conversion of some character encodings, which might allow remote attackers to conduct…

Cross-site scripting (XSS) vulnerability in the Red Hat Network channel search feature, as used in RHN and Red Hat Network Satellite before 5.0.2, allows remote attackers to inject arbitrary web script or HTML via unknown vectors.

Buffer overflow in the regular expression handler in Red Hat Directory Server 8.0 and 7.1 before SP6 allows remote attackers to cause a denial of service (slapd crash) and possibly execute arbitrary code via a crafted LDAP query that triggers the overflow during translation to a…

Linux kernel 2.6.18, and possibly other versions, when running on AMD64 architectures, allows local users to cause a denial of service (crash) via certain ptrace calls.

Linux kernel before 2.4.21 allows local users to cause a denial of service (kernel panic) via asynchronous input or output on a FIFO special file.

The IPsec implementation in Linux kernel before 2.6.25 allows remote routers to cause a denial of service (crash) via a fragmented ESP packet in which the first fragment does not contain the entire ESP header and IV.

Red Hat Administration Server, as used by Red Hat Directory Server 8.0 EL4 and EL5, does not properly restrict access to CGI scripts, which allows remote attackers to perform administrative actions.

Integer overflow in pdftops filter in CUPS in Red Hat Enterprise Linux 3 and 4, when running on 64-bit platforms, allows remote attackers to execute arbitrary code via a crafted PDF file. NOTE: this issue is due to an incomplete fix for CVE-2004-0888.

The Replace function in the capp-lspp-config script in the (1) lspp-eal4-config-ibm and (2) capp-lspp-eal4-config-hp packages before 0.65-2 in Red Hat Enterprise Linux (RHEL) 5 uses lstat instead of stat to determine the /etc/pam.d/system-auth file permissions, leading to a…

Red Hat Directory Server 8.0, when running on Red Hat Enterprise Linux, uses insecure permissions for the redhat-idm-console script, which allows local users to execute arbitrary code by modifying the script.

Red Hat Directory Server 7.1 before SP4 uses insecure permissions for certain directories, which allows local users to modify JAR files and execute arbitrary code via unknown vectors.

The default IPSec ifup script in Red Hat Enterprise Linux 3 through 5 configures racoon to use aggressive IKE mode instead of main IKE mode, which makes it easier for remote attackers to conduct brute force attacks by sniffing an unencrypted preshared key (PSK) hash.

dbus-daemon in D-Bus before 1.0.3, and 1.1.x before 1.1.20, recognizes send_interface attributes in allow directives in the security policy only for fully qualified method calls, which allows local users to bypass intended access restrictions via a method call with a NULL…

The Linux kernel 2.6.9 before 2.6.9-67 in Red Hat Enterprise Linux (RHEL) 4 on Itanium (ia64) does not properly handle page faults during NUMA memory access, which allows local users to cause a denial of service (panic) via invalid arguments to set_mempolicy in an MPOL_BIND…

The xmlCurrentChar function in libxml2 before 2.6.31 allows context-dependent attackers to cause a denial of service (infinite loop) via XML containing invalid UTF-8 sequences.

The default configuration for autofs 5 (autofs5) in some Linux distributions, such as Red Hat Enterprise Linux (RHEL) 4 and 5, does not specify the nodev mount option for the -hosts map, which allows local users to access "important devices" by operating a remote NFS server and…

Red Hat Enterprise Linux 5 and Fedora install the Bind /etc/rndc.key file with world-readable permissions, which allows local users to perform unauthorized named commands, such as causing a denial of service by stopping named.

The default configuration of autofs 5 in some Linux distributions, such as Red Hat Enterprise Linux (RHEL) 5, omits the nosuid option for the hosts (/net filesystem) map, which allows local users to gain privileges via a setuid program on a remote NFS server.

The do_coredump function in fs/exec.c in Linux kernel 2.4.x and 2.6.x up to 2.6.24-rc3, and possibly other versions, does not change the UID of a core dump file if it exists before a root process creates a core dump in the same location, which might allow local users to obtain…

Perl-Compatible Regular Expression (PCRE) library before 6.7 does not properly calculate the compiled memory allocation for regular expressions that involve a quantified "subpattern containing a named recursion or subroutine reference," which allows context-dependent attackers…

Memory leak in the Red Hat Content Accelerator kernel patch in Red Hat Enterprise Linux (RHEL) 4 and 5 allows local users to cause a denial of service (memory consumption) via a large number of open requests involving O_ATOMICLOOKUP.

Multiple integer overflows in Cairo before 1.4.12 might allow remote attackers to execute arbitrary code, as demonstrated using a crafted PNG image with large width and height values, which is not properly handled by the read_png function.

Heap-based buffer overflow in cygwin1.dll in Cygwin 1.5.7 and earlier allows context-dependent attackers to execute arbitrary code via a filename with a certain length, as demonstrated by a remote authenticated user who uses the SCP protocol to send a file to the Cygwin machine,…

buttonpressed.sh in scanbuttond 0.2.3 allows local users to overwrite arbitrary files via a symlink attack on the (1) scan.pnm and (2) scan.jpg temporary files.

The ricci daemon in Red Hat Conga 0.10.0 allows remote attackers to cause a denial of service (loss of new connections) by repeatedly sending data or attempting connections.

Algorithmic complexity vulnerability in the MCS translation daemon in mcstrans 0.2.3 allows local users to cause a denial of service (temporary daemon outage) via a large range of compartments in sensitivity labels.

Buffer overflow in the polymorphic opcode support in the Regular Expression Engine (regcomp.c) in Perl 5.8 allows context-dependent attackers to execute arbitrary code by switching from byte to Unicode (UTF) characters in a regular expression.

Certificate Server 7.2 in Red Hat Certificate System (RHCS) does not properly handle new revocations that occur while a Certificate Revocation List (CRL) is being generated, which might prevent certain revoked certificates from appearing on the CRL quickly and allow users with…

Unspecified vulnerability in the "stack unwinder fixes" in kernel in Red Hat Enterprise Linux 5, when running on AMD64 and Intel 64, allows local users to cause a denial of service via unknown vectors.

Red Hat Enterprise Linux 4 does not properly compile and link gdm with tcp_wrappers on x86_64 platforms, which might allow remote attackers to bypass intended access restrictions.

The NFS client implementation in the kernel in Red Hat Enterprise Linux (RHEL) 3, when a filesystem is mounted with the noacl option, checks permissions for the open system call via vfs_permission (mode bits) data rather than an NFS ACCESS call to the server, which allows local…

The ipv6_getsockopt_sticky function in the kernel in Red Hat Enterprise Linux (RHEL) Beta 5.1.0 allows local users to obtain sensitive information (kernel memory contents) via a negative value of the len parameter. NOTE: this issue has been disputed in a bug comment, stating…

Unspecified vulnerability in the kernel in Red Hat Enterprise Linux (RHEL) 4 on the x86_64 platform allows local users to cause a denial of service (OOPS) via unspecified vectors related to the get_gate_vma function and the fuser command.

mm/mmap.c in the hugetlb kernel, when run on PowerPC systems, does not prevent stack expansion from entering into reserved kernel page memory, which allows local users to cause a denial of service (OOPS) via unspecified vectors.

Red Hat Enterprise Linux (RHEL) 5 ships the rpm for the Advanced Intrusion Detection Environment (AIDE) before 0.13.1 with a database that lacks checksum information, which allows context-dependent attackers to bypass file integrity checks and modify certain files.

Directory traversal vulnerability in extract.c in star before 1.5a84 allows user-assisted remote attackers to overwrite arbitrary files via certain //.. (slash slash dot dot) sequences in directory symlinks in a TAR archive.

Unspecified vulnerability in Red Hat Network Satellite Server 5.0.0 allows remote authenticated users to execute arbitrary code via unknown vectors in a "back-end XMLRPC handler."