CVE-2020-25705

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...

NewStart CGSL CORE 5.04 / MAIN 5.04 : avahi Vulnerability (NS-SA-2020-0058)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, 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 SLES12 Security Update : kernel (SUSE-SU-2020:3503-1)

The SUSE Linux Enterprise 12 SP3 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...

SUSE SLES12 Security Update : kernel (SUSE-SU-2020:3544-1)

The SUSE Linux Enterprise 12 SP4 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...

SUSE SLES15 Security Update : kernel (SUSE-SU-2020:3532-1)

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...

NewStart CGSL CORE 5.05 / MAIN 5.05 : net-snmp Vulnerability (NS-SA-2020-0094)

The remote NewStart CGSL host, running version CORE 5.05 / MAIN 5.05, 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...

SUSE SLES12 Security Update : kernel (SUSE-SU-2020:3501-1)

The SUSE Linux Enterprise 12 SP2 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 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...

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-2020:3651-1)

This update for the Linux Kernel 4.4.180-94121 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 whi...

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...

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...

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...