Red Hat Security Advisory 2021-0034-01

Red Hat Security Advisory 2021-0034-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. Issues addressed include XML injection, crlf injection, and information leakage vulnerabilities.

Red Hat Security Advisory 2021-0155-01

Red Hat Security Advisory 2021-0155-01 - The dnsmasq packages contain Dnsmasq, a lightweight DNS forwarder and DHCP server.

Red Hat Security Advisory 2021-0152-01

Red Hat Security Advisory 2021-0152-01 - The dnsmasq packages contain Dnsmasq, a lightweight DNS forwarder and DHCP server. Issues addressed include a buffer overflow vulnerability.

Red Hat Security Advisory 2021-0156-01

Red Hat Security Advisory 2021-0156-01 - The dnsmasq packages contain Dnsmasq, a lightweight DNS forwarder and DHCP server.

Red Hat Security Advisory 2021-0153-01

Red Hat Security Advisory 2021-0153-01 - The dnsmasq packages contain Dnsmasq, a lightweight DNS forwarder and DHCP server.

Security Technologies: FORTIFY_SOURCE

FORTIFY_SOURCE provides lightweight compile and runtime protection to some memory and string functions (original patch to gcc was submitted by Red Hat). It is supposed to have no or a very small runtime overhead and can be enabled for all[…]

Security Technologies: Stack Smashing Protection (StackGuard)

In our previous blog, we saw how arbitrary code execution resulting from stack-buffer overflows can be partly mitigated by marking segments of memory as non-executable, a technology known as Execshield. However stack-buffer overflow exploits can still effectively overwrite the function[…]

How SELinux helps mitigate risk while facilitating compliance

Many of our customers are required to meet a variety of regulatory requirements. Red Hat Enterprise Linux includes security technologies that help meet these requirements. Improving Linux security also benefits our layered products, such as Red Hat OpenShift Container Platform[…]

SPECTRE Variant 1 scanning tool

As part of Red Hat's commitment to product security we have developed a tool internally that can be used to scan for variant 1 SPECTRE vulnerabilities. As part of our commitment to the wider user community, we are introducing this[…]

Red Hat’s disclosure process

Last week, a vulnerability (CVE-2018-10892) that affected CRI-O, Buildah, Podman, and Docker was made public before some affected upstream projects were notified. We regret that this was not handled in a way that lives up to our own standards around[…]

Debian: DSA-4837-1: salt security update

Several vulnerabilities were discovered in salt, a powerful remote execution manager. The flaws could result in authentication bypass and invocation of Salt SSH, creation of certificates with weak file permissions via the TLS execution module or shell injections with the

Debian: DSA-4836-1: openvswitch security update

Two vulnerabilities were discovered in the LLPD implementation of Open vSwitch, a software-based Ethernet virtual switch, which could result in denial of service.

Debian: DSA-4834-1: vlc security update

Multiple vulnerabilities were discovered in the VLC media player, which could result in the execution of arbitrary code or denial of service if a malformed media file is opened.

Debian: DSA-4832-1: chromium security update

Multiple security issues were discovered in the Chromium web browser, which could result in the execution of arbitrary code, denial of service or information disclosure.

Ubuntu Security Notice USN-4530-1

Ubuntu Security Notice 4530-1 - Wolfgang Schweer discovered that Debian-LAN did not properly handle ACLs for the Kerberos admin server. A local attacker could possibly use this issue to change the passwords of other users, leading to root privilege escalation.

Debian Security Advisory 4629-1

Debian Linux Security Advisory 4629-1 - Simon Charette discovered that Django, a high-level Python web development framework, did not properly handle input in its PostgreSQL module. A remote attacker could leverage this to perform SQL injection attacks.

Debian Security Advisory 4626-1

Debian Linux Security Advisory 4626-1 - Multiple security issues were found in PHP, a widely-used open source general purpose scripting language which could result in information disclosure, denial of service or incorrect validation of path names.

Debian Security Advisory 4625-1

Debian Linux Security Advisory 4625-1 - Multiple security issues have been found in Thunderbird, which may lead to the execution of arbitrary code or denial of service.

Debian Security Advisory 4620-1

Debian Linux Security Advisory 4620-1 - Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code.

vReliable Datagram Sockets (RDS) rds_page_copy_user Privilege Escalation

This Metasploit module exploits a vulnerability in the rds_page_copy_user function in net/rds/page.c (RDS) in Linux kernel versions 2.6.30 to 2.6.36-rc8 to execute code as root (CVE-2010-3904). This module has been tested successfully on Fedora 13 (i686) kernel version 2.6.33.3-85.fc13.i686.PAE and[…]

SystemTap 1.3 MODPROBE_OPTIONS Privilege Escalation

This Metasploit module attempts to gain root privileges by exploiting a vulnerability in the staprun executable included with SystemTap version 1.3. The staprun executable does not clear environment variables prior to executing modprobe, allowing an arbitrary configuration file to be[…]

Linux Kernel Local Privilege Escalation

Linux kernels prior to version 4.13.9 (Ubuntu 16.04/Fedora 27) local privilege escalation exploit.

Reliable Datagram Sockets (RDS) Privilege Escalation

This Metasploit module exploits a vulnerability in the rds_page_copy_user function in net/rds/page.c (RDS) in Linux kernel versions 2.6.30 to 2.6.36-rc8 to execute code as root (CVE-2010-3904). This Metasploit module has been tested successfully on Fedora 13 (i686) with kernel version[…]

MagniComp SysInfo mcsiwrapper Privilege Escalation

This Metasploit module attempts to gain root privileges on systems running MagniComp SysInfo versions prior to 10-H64. The .mcsiwrapper suid executable allows loading a config file using the '--configfile' argument. The 'ExecPath' config directive is used to set the executable[…]

mutt -- denial of service

chromium -- multiple vulnerabilities

dnsmasq -- DNS cache poisoning, and DNSSEC buffer overflow, vulnerabilities

cloud-init -- Wrong access permissions of authorized keys