Design/Logic Flaw

DISPUTED quic-go through 0.27.0 allows remote attackers to cause a denial of service CPU consumption via a Slowloris variant in which incomplete QUIC or HTTP/3 requests are sent. This occurs because mtudiscoverer.go misparses the MTU Discovery service and consequently overflows the probe timer...

CVE-2022-30591

quic-go through 0.27.0 allows remote attackers to cause a denial of service CPU consumption via a Slowloris variant in which incomplete QUIC or HTTP/3 requests are sent. This occurs because mtudiscoverer.go misparses the MTU Discovery service and consequently overflows the probe timer. NOTE: the...

CVE-2022-30591

quic-go through 0.27.0 allows remote attackers to cause a denial of service CPU consumption via a Slowloris variant in which incomplete QUIC or HTTP/3 requests are sent. This occurs because mtudiscoverer.go misparses the MTU Discovery service and consequently overflows the probe timer. NOTE: the...

2022 0-day In-the-Wild Exploitation…so far

Posted by Maddie Stone, Google Project Zero This blog post is an overview of a talk, “ 0-day In-the-Wild Exploitation in 2022…so far”, that I gave at the FIRST conference in June 2022. The slides are available here. For the last three years, we’ve published annual year-in-review reports of 0-days...

APT Hackers Targeting Industrial Control Systems with ShadowPad Backdoor

Entities located in Afghanistan, Malaysia, and Pakistan are in the crosshairs of an attack campaign that targets unpatched Microsoft Exchange Servers as an initial access vector to deploy the ShadowPad malware. Russian cybersecurity firm Kaspersky, which first detected the activity in mid-October...

Cybersecurity Experts Warn of Emerging Threat of "Black Basta" Ransomware

The Black Basta ransomware-as-a-service RaaS syndicate has amassed nearly 50 victims in the U.S., Canada, the U.K., Australia, and New Zealand within two months of its emergence in the wild, making it a prominent threat in a short window. "Black Basta has been observed targeting a range of...

CVE-2022-30937

A vulnerability has been identified in EN100 Ethernet module DNP3 IP variant All versions, EN100 Ethernet module IEC 104 variant All versions, EN100 Ethernet module IEC 61850 variant All versions V4.37, EN100 Ethernet module Modbus TCP variant All versions, EN100 Ethernet module PROFINET IO varia...

Memory corruption

A vulnerability has been identified in EN100 Ethernet module DNP3 IP variant All versions, EN100 Ethernet module IEC 104 variant All versions, EN100 Ethernet module IEC 61850 variant All versions V4.37, EN100 Ethernet module Modbus TCP variant All versions, EN100 Ethernet module PROFINET IO varia...

CVE-2022-30937

CVE-2022-30937 affects Siemens EN100 Ethernet Module variants: DNP3 IP, IEC 104, IEC 61850 (all versions prior to 4.37), Modbus TCP, and PROFINET IO. The issue is a memory corruption vulnerability in the HTTP parsing of the /txtrace endpoint, which could crash the affected application and cause a...

Cuba Ransomware Group’s New Variant Found Using Optimized Infection Techniques

Trend Micro Research observed the resurgence of the Cuba ransomware group that launched a new malware variant using different infection techniques compared to past iterations. We discuss our initial findings in this report...

GHSA-WFW7-6632-XCV2 Jenkins CLI Deserialization of Untrusted Data vulnerability

The Jenkins CLI subsystem in Jenkins before 1.638 and LTS before 1.625.2 allows remote attackers to execute arbitrary code via a crafted serialized Java object, related to a problematic webapps/ROOT/WEB-INF/lib/commons-collections-.jar file and the "Groovy variant in ysoserial"...

Ubuntu: Security Advisory (USN-5415-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-5418-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-5417-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-5418-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-dell300x, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle, linux-snapdragon vulnerabilities

Ke Sun, Alyssa Milburn, Henrique Kawakami, Emma Benoit, Igor Chervatyuk, Lisa Aichele, and Thais Moreira Hamasaki discovered that the Spectre Variant 2 mitigations for AMD processors on Linux were insufficient in some situations. A local attacker could possibly use this to expose sensitive...

USN-5418-1: Linux kernel vulnerabilities

Ke Sun, Alyssa Milburn, Henrique Kawakami, Emma Benoit, Igor Chervatyuk, Lisa Aichele, and Thais Moreira Hamasaki discovered that the Spectre Variant 2 mitigations for AMD processors on Linux were insufficient in some situations. A local attacker could possibly use this to expose sensitive...

USN-5417-1: Linux kernel vulnerabilities

Ke Sun, Alyssa Milburn, Henrique Kawakami, Emma Benoit, Igor Chervatyuk, Lisa Aichele, and Thais Moreira Hamasaki discovered that the Spectre Variant 2 mitigations for AMD processors on Linux were insufficient in some situations. A local attacker could possibly use this to expose sensitive...

USN-5417-1 linux, linux-aws, linux-aws-5.13, linux-azure, linux-azure-5.13, linux-gcp, linux-gcp-5.13, linux-hwe-5.13, linux-kvm, linux-oracle, linux-raspi vulnerabilities

Ke Sun, Alyssa Milburn, Henrique Kawakami, Emma Benoit, Igor Chervatyuk, Lisa Aichele, and Thais Moreira Hamasaki discovered that the Spectre Variant 2 mitigations for AMD processors on Linux were insufficient in some situations. A local attacker could possibly use this to expose sensitive...

USN-5415-1: Linux kernel vulnerabilities

Jeremy Cline discovered a use-after-free in the nouveau graphics driver of the Linux kernel during device removal. A privileged or physically proximate attacker could use this to cause a denial of service system crash. CVE-2020-27820 Ke Sun, Alyssa Milburn, Henrique Kawakami, Emma Benoit, Igor...

It’s business as usual for REvil ransomware

After the FBS arrested 14 of its members in January, and a subsequent lull in action, the REvil ransomware gang appears to be back. We say "appears" because its still unclear whether the groups operations have indeed restarted. To the trained eye, REvils movements seem out of sorts. When REvils o...