NewStart CGSL CORE 5.04 / MAIN 5.04 : net-snmp Vulnerability (NS-SA-2020-0063)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has net-snmp packages installed that are affected by a vulnerability: - snmpoidcompare in snmplib/snmpapi.c in Net-SNMP before 5.8 has a NULL Pointer Exception bug that can be used by an unauthenticated attacker to remotely cau...

NewStart CGSL CORE 5.05 / MAIN 5.05 : avahi Vulnerability (NS-SA-2020-0088)

The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, has avahi packages installed that are affected by a vulnerability: - avahi-daemon in Avahi through 0.6.32 and 0.7 inadvertently responds to IPv6 unicast queries with source addresses that are not on-link, which allows remote...

SUSE SLES15 Security Update : kernel (SUSE-SU-2020:3513-1)

The SUSE Linux Enterprise 15 SP1 RT kernel was updated to receive various security and bug fixes. The following security bugs were fixed : CVE-2020-25705: A flaw in the way reply ICMP packets are limited in was found that allowed to quickly scan open UDP ports. This flaw allowed an off-path remot...

SUSE SLES12 Security Update : kernel (SUSE-SU-2020:3656-1)

This update for the Linux Kernel 4.4.180-94135 fixes several issues. The following security issues were fixed : CVE-2020-25645: Fixed an issue which traffic between two Geneve endpoints may be unencrypted when IPsec is configured to encrypt traffic for the specific UDP port used by the GENEVE...

Security Advisory 2020-12-09-1 - Linux kernel - ICMP rate limiting can be used to facilitate DNS poisoning attack (CVE-2020-25705)

DESCRIPTION A flaw has been found in the ICMP rate limiting algorithm of the Linux kernel. This flaw allows an off-path attacker to quickly determine open ephemeral ports that are used by applications making outbound connections. This can be exploited by an off-path attacker to more easily perfor...

SUSE-SU-2020:3690-1 Security update for the Linux Kernel (Live Patch 18 for SLE 15 SP1)

This update for the Linux Kernel 4.12.14-19767 fixes several issues. The following security issues were fixed: - CVE-2020-25668: Fixed a concurrency use-after-free in confontop bsc1178622. - CVE-2020-25705: Fixed a flaw which could have allowed an off-path remote user to effectively bypass source...

SUSE-SU-2020:3651-1 Security update for the Linux Kernel (Live Patch 35 for SLE 12 SP3)

This update for the Linux Kernel 4.4.180-94130 fixes several issues. The following security issues were fixed: - CVE-2020-25668: Fixed a concurrency use-after-free in confontop bsc1178622. - CVE-2020-8694: Fixed an insufficient access control in the Linux kernel driver for some IntelR Processors...

Source Port UDP Randomization Bypass

A flaw in the way reply ICMP packets are limited in the Linux kernel functionality was found that allows to quickly scan open UDP ports. This flaw allows an off-path remote user to effectively bypassing source port UDP randomization. The highest threat from this vulnerability is to confidentialit...

A flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports. This flaw allows an off-path remote attacker to effectively bypass source port UDP randomization. Software that relies on UDP source port randomization are indirectly affected as well on the Linux Based Products (RUGGEDCOM RM1224: All versions between v5.0 and v6.4 SCALANCE M-800: All versions between v5.0 and v6.4 SCALANCE S615: All versions between v5.0 and v6.4 SCALANCE SC-600: All versions prior to v2.1.3 SCALANCE W1750D: v8.3.0.1 v8.6.0 and v8.7.0 SIMATIC Cloud Connect 7: All versions SIMATIC MV500 Family: All versions SIMATIC NET CP 1243-1 (incl. SIPLUS variants): Versions 3.1.39 and later SIMATIC NET CP 1243-7 LTE EU: Version

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openSUSE Security Update : the Linux Kernel (openSUSE-2020-2034)

The openSUSE Leap 15.1 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2020-28915: A buffer over-read at the framebuffer layer in the fbcon code could be used by local attackers to read kernel memory, aka CID-6735b4632def bnc1178886. -...

OPENSUSE-SU-2020:2034-1 Security update for the Linux Kernel

The openSUSE Leap 15.1 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-28915: A buffer over-read at the framebuffer layer in the fbcon code could be used by local attackers to read kernel memory, aka CID-6735b4632def bnc1178886. -...

SUSE-SU-2020:3532-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 LTSS kernel was updated to receive various security and bug fixes. The following security bugs were fixed: - CVE-2020-25705: A flaw in the way reply ICMP packets are limited in was found that allowed to quickly scan open UDP ports. This flaw allowed an off-path remote...

Security update for the Linux Kernel (important)

openSUSE Security Update: Security update for the Linux Kernel Announcement ID: openSUSE-SU-2020:2034-1 Rating: important References: 1050549 1067665 1170630 1172873 1175306 1175721 1176855 1176983 1177397 1177703 1177819 1177820 1178182 1178393 1178589 1178686 1178765 1178782 1178838 1178853...

Linux kernel security feature issue vulnerability

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. Linux kernel suffers from a security signature issue vulnerability that stems from allowing rapid scanning of open UDP ports. An attacker could exploit the vulnerability to...

NICER Protocol Deep Dive: Internet Exposure of Microsoft SQL Server (MS SQL) (UDP/1434)

Welcome to the NICER Protocol Deep Dive blog series! When we started researching what all was out on the internet way back in January, we had no idea we'd end up with a hefty, 137-page tome of a research report. The sheer length of such a thing might put off folks who might otherwise learn a thin...

DEBIAN-CVE-2020-25705

A flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports. This flaw allows an off-path remote attacker to effectively bypass source port UDP randomization. Software that relies on UDP source port randomization are indirectly affected as well on the Linux Bas...

CVE-2020-25705

A flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports. This flaw allows an off-path remote attacker to effectively bypass source port UDP randomization. Software that relies on UDP source port randomization are indirectly affected as well on the Linux Bas...

CVE-2020-25705

A flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports. This flaw allows an off-path remote attacker to effectively bypass source port UDP randomization. Software that relies on UDP source port randomization are indirectly affected as well on the Linux Bas...

Design/Logic Flaw

A flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports. This flaw allows an off-path remote attacker to effectively bypass source port UDP randomization. Software that relies on UDP source port randomization are indirectly affected as well on the Linux Bas...

CVE-2020-25705

A flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports. This flaw allows an off-path remote attacker to effectively bypass source port UDP randomization. Software that relies on UDP source port randomization are indirectly affected as well on the Linux Bas...