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: 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...

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...

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...

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...

Medium: nss-softokn

Issue Overview: new tlsfuzzer code can still detect timing issues in RSA operations CVE-2023-4421 Affected Packages: nss-softokn Issue Correction: Run yum update nss-softokn or yum update --advisory ALAS-2023-1858 to update your system. New Packages: i686: nss-softokn-3.53.1-6.48.amzn1.i686 ...

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:...

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: libwebp12

Issue Overview: Heap buffer overflow in WebP in Google Chrome prior to 116.0.5845.187 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. Chromium security severity: Critical CVE-2023-4863 Affected Packages: libwebp12 Note: This advisory is applicable to...

Medium: libreswan

Issue Overview: A NULL pointer dereference vulnerability was found in the Libreswan package. When an IKEv1 ISAKMP SA Informational Exchange packet contains a Delete/Notify payload followed by further Notifies that act on the ISAKMP SA, such as a duplicated Delete/Notify message, a NULL pointer...

Medium: sudo

Issue Overview: Sudo before 1.9.13 does not escape control characters in log messages. CVE-2023-28486 Sudo before 1.9.13 does not escape control characters in sudoreplay output. CVE-2023-28487 Affected Packages: sudo Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit...

Medium: grilo

Issue Overview: In GNOME grilo though 0.3.13, grl-net-wc.c does not enable TLS certificate verification on the SoupSessionAsync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is similar to CVE-2016-20011. CVE-2021-39365 Affected Packages: grilo Note: This advisor...

Medium: libXpm

Issue Overview: libX11: integer overflow in XCreateImage leading to a heap overflow. CVE-2023-43787 libXpm: out of bounds read in XpmCreateXpmImageFromBuffer NOTE: https://www.openwall.com/lists/oss-security/2023/10/03/1 NOTE: Fixed by:...

Medium: libtiff

Issue Overview: There exists one heap buffer overflow in TIFFmemcpy in tifunix.c in libtiff 4.0.10, which allows an attacker to cause a denial-of-service through a crafted tiff file. CVE-2020-18768 A heap buffer overflow in ExtractImageSection function in tiffcrop.c in libtiff library Version 4.3...

Important: nginx

Issue Overview: The HTTP/2 protocol allows a denial of service server resource consumption because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023. CVE-2023-44487 Affected Packages: nginx Issue Correction: Run yum update nginx or yum...

Important: nghttp2

Issue Overview: The HTTP/2 protocol allows a denial of service server resource consumption because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023. CVE-2023-44487 Affected Packages: nghttp2 Issue Correction: Run yum update nghttp2 or yu...

Important: nghttp2

Issue Overview: The HTTP/2 protocol allows a denial of service server resource consumption because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023. CVE-2023-44487 Affected Packages: nghttp2 Note: This advisory is applicable to Amazon...

MITRE: CVE-2023-44487 HTTP/2 Rapid Reset Attack

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A week in security (October 2 - October 8)

Last week on Malwarebytes Labs: Multi-factor authentication has proven it works, so what are we waiting for? Amazon Prime email scammer snatches defeat from the jaws of victory 2023 MITRE ATT&CK® Evaluation results: Malwarebytes earns high marks for detection, blocks initial malware executions...

2023 MITRE ATT&CK® Evaluation results: Malwarebytes earns high marks for detection, blocks initial malware executions

MITRE Engenuity released its 2023 ATT&CK Evaluation results, with Malwarebytes blocking initial malware executions and earning high marks for detection. The evaluation tested 30 vendor solutions against Turla, a sophisticated Russia-based advanced persistent threat APT group with victims in over ...