Important: microcode_ctl

Issue Overview: An issue was found in redundant REX instruction prefix values affecting third generation Intel Xeon Scalable “Icelake“ processors. The issue may allow a local third-party actor using such instructions to cause a denial of service DOS or achieve privilege escalation. CVE-2023-23583...

What is the MITRE ATT&CK Framework?

The Unfolding Complexity of the MITRE ATT&CK System The domain of cybersecurity is akin to an ever-evolving ocean filled with intricacies. In these stormy waters, the MITRE ATT&CK System stands as a beacon of light. It brings some order, serving as a universally available repository storing vario...

Scattered Spider

SUMMARY The Federal Bureau of Investigation FBI and Cybersecurity and Infrastructure Security Agency CISA are releasing this joint Cybersecurity Advisory CSA in response to recent activity by Scattered Spider threat actors against the commercial facilities sectors and subsectors. This advisory...

Modern Asian APT groups’ tactics, techniques and procedures (TTPs)

Almost every quarter, someone publishes major research focusing on campaigns or incidents that involve Asian APT groups. These campaigns and incidents target various organizations from a multitude of industries. Likewise, the geographic location of victims is not limited to just one region. This...

Low: shadow-utils

Issue Overview: A flaw was found in shadow-utils. When asking for a new password, shadow-utils asks the password twice. If the password fails on the second attempt, shadow-utils fails in cleaning the buffer used to store the first entry. This may allow an attacker with enough access to retrieve t...

Important: python27

Issue Overview: An XML External Entity XXE issue was discovered in Python through 3.9.1. The plistlib module no longer accepts entity declarations in XML plist files to avoid XML vulnerabilities. CVE-2022-48565 Affected Packages: python27 Issue Correction: Run yum update python27 or yum update...

Medium: expat

Issue Overview: Expat aka libexpat before 2.4.4 has an integer overflow in the doProlog function. CVE-2022-23990 Affected Packages: expat Issue Correction: Run yum update expat or yum update --advisory ALAS-2023-1882 to update your system. New Packages: i686: expat-devel-2.1.0-15.34.amzn1.i686...

Important: libxml2

Issue Overview: libxml2 through 2.11.5 has a use-after-free that can only occur after a certain memory allocation fails. This occurs in xmlUnlinkNode in tree.c. NOTE: the vendor's position is "I don't think these issues are critical enough to warrant a CVE ID ... because an attacker typically can...

Important: php56

Issue Overview: In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, excessive number of parts in HTTP form upload can cause high resource consumption and excessive number of log entries. This can cause denial of service on the affected server by exhausting CPU resources or dis...

Medium: zlib

Issue Overview: MiniZip in zlib through 1.3 has an integer overflow and resultant heap-based buffer overflow in zipOpenNewFileInZip464 via a long filename, comment, or extra field. NOTE: MiniZip is not a supported part of the zlib product. CVE-2023-45853 Affected Packages: zlib Note: This advisor...

Important: libxml2

Issue Overview: libxml2 through 2.11.5 has a use-after-free that can only occur after a certain memory allocation fails. This occurs in xmlUnlinkNode in tree.c. NOTE: the vendor's position is "I don't think these issues are critical enough to warrant a CVE ID ... because an attacker typically can...

Important: xerces-c

Issue Overview: An integer overflow in xerces-c++ 3.2.3 in BigFix Platform allows remote attackers to cause out-of-bound access via HTTP request. CVE-2023-37536 Affected Packages: xerces-c Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the...

Medium: kernel

Issue Overview: A flaw in the kernel Xen event handler can cause a deadlock with Xen console handling in unprivileged Xen guests. CVE-2023-34324 A NULL pointer dereference flaw was found in the Linux kernel ipv4 stack. The socket buffer skb was assumed to be associated with a device before callin...

Important: open-vm-tools

Issue Overview: VMware Tools contains a SAML token signature bypass vulnerability. A malicious actor that has been granted Guest Operation Privileges https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-security/GUID-6A952214-0E5E-4CCF-9D2A-90948FF643EC.html in a target virtual machine may be ab...

Medium: nautilus

Issue Overview: GNOME Nautilus 42.2 allows a NULL pointer dereference and getbasename application crash via a pasted ZIP archive. CVE-2022-37290 Affected Packages: nautilus Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the difference between A...

Low: nmap

Issue Overview: Nmap through 7.70, when the -sV option is used, allows remote attackers to cause a denial of service stack consumption and application crash via a crafted TCP-based service. CVE-2018-15173 Affected Packages: nmap Note: This advisory is applicable to Amazon Linux 2 AL2 Core...

Important: python3

Issue Overview: A flaw was found in Python. The built-in modules httplib and http.client included in Python 2 and Python 3, respectively do not properly validate CRLF sequences in the HTTP request method, potentially allowing manipulation to the request by injecting additional HTTP headers. The...

Medium: ImageMagick

Issue Overview: A vulnerability was found in ImageMagick where heap use-after-free was found in coders/bmp.c. CVE-2023-5341 Affected Packages: ImageMagick Issue Correction: Run yum update ImageMagick or yum update --advisory ALAS-2023-1856 to update your system. New Packages: i686: ...

Important: amazon-ssm-agent

Issue Overview: The x/crypto/ssh package before 0.0.0-20211202192323-5770296d904e of golang.org/x/crypto allows an attacker to panic an SSH server. CVE-2021-43565 http2/hpack: avoid quadratic complexity in hpack decoding CVE-2022-41723 Templates did not properly consider backticks as Javascript...

Important: exim

Issue Overview: Exim SMTP Challenge Stack-based Buffer Overflow Remote Code Execution Vulnerability NOTE: https://www.zerodayinitiative.com/advisories/ZDI-23-1470/ CVE-2023-42116 Exim Improper Neutralization of Special Elements Remote Code Execution Vulnerability NOTE:...