Important: python-twisted-web

Issue Overview: A flaw was found in python-twisted. This vulnerability occurs due to the parsing of illegal constructs in the twisted.web.http module. The illegal constructs include '+/-' in the Content-Length header, '\n and \t' etc. Non-conformant parsing leads to a desync if requests pass...

Important: ghostscript

Issue Overview: A heap-based buffer over write vulnerability was found in GhostScript's lp8000printpage function in gdevlp8k.c file. An attacker could trick a user to open a crafted PDF file, triggering the heap buffer overflow that could lead to memory corruption or a denial of service...

Important: python27

Issue Overview: An issue was discovered in Python before 3.11.1. An unnecessary quadratic algorithm exists in one path when processing some inputs to the IDNA RFC 3490 decoder, such that a crafted, unreasonably long name being presented to the decoder could lead to a CPU denial of service...

Low: openvpn

Issue Overview: OpenVPN 2.1 until v2.4.12 and v2.5.6 may enable authentication bypass in external authentication plug-ins when more than one of them makes use of deferred authentication replies, which allows an external user to be granted access with only partially correct credentials...

Important: exim

Issue Overview: The STARTTLS feature in Exim through 4.94.2 allows response injection buffering during MTA SMTP sending. CVE-2021-38371 Affected Packages: exim Issue Correction: Run yum update exim or yum update --advisory ALAS-2023-1722 to update your system. New Packages: i686: ...

Important: python38

Issue Overview: An issue was discovered in Python before 3.11.1. An unnecessary quadratic algorithm exists in one path when processing some inputs to the IDNA RFC 3490 decoder, such that a crafted, unreasonably long name being presented to the decoder could lead to a CPU denial of service...

Important: gd

Issue Overview: DISPUTED gdImageGd2Ptr in gdgd2.c in the GD Graphics Library aka LibGD through 2.3.2 has a double free. NOTE: the vendor's position is "The GD2 image format is a proprietary image format of libgd. It has to be regarded as being obsolete, and should only be used for development and...

Important: db4

Issue Overview: Postfix before 2.11.10, 3.0.x before 3.0.10, 3.1.x before 3.1.6, and 3.2.x before 3.2.2 might allow local users to gain privileges by leveraging undocumented functionality in Berkeley DB 2.x and later, related to reading settings from DBCONFIG in the current directory...

3CXDesktopApp Backdoored in a Suspected Lazarus Campaign

Introduction The attack involved a compromised version of the 3CX VoIP desktop client, which was used to target 3CXs customers. The compromised 3CX application is a private automatic branch exchange PABX software and is available for Windows, macOS, Linux, Android, IOS and Chrome. Currently, ther...

Medium: gstreamer-plugins-good

Issue Overview: GStreamer before 1.18.4 might access already-freed memory in error code paths when demuxing certain malformed Matroska files. CVE-2021-3497 Affected Packages: gstreamer-plugins-good Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for...

Medium: vim

Issue Overview: A heap-based buffer overflow vulnerability was found in GitHub repository vim/vim prior to 9.0.1376 in Vim's utfptr2char function of the src/mbyte.c file. This flaw occurs because there is access to invalid memory with put in visual block mode. An attacker can trick a user into...

Medium: babel

Issue Overview: Babel.Locale in Babel before 2.9.1 allows attackers to load arbitrary locale .dat files containing serialized Python objects via directory traversal, leading to code execution. CVE-2021-42771 Affected Packages: babel Note: This advisory is applicable to Amazon Linux 2 AL2 Core...

Threat Roundup for March 24 to March 31

Today, Talos is publishing a glimpse into the most prevalent threats weve observed between March 24 and March 31. As with previous roundups, this post isnt meant to be an in-depth analysis. Instead, this post will summarize the threats weve observed by highlighting key behavioral characteristics,...

Medium: openjpeg

Issue Overview: A heap-based buffer overflow was found in OpenJPEG. This flaw allows an attacker to execute arbitrary code with the permissions of the application compiled against OpenJPEG. CVE-2021-3575 Affected Packages: openjpeg Note: This advisory is applicable to Amazon Linux 2 AL2 Core...

Important: nss

Issue Overview: firefox-esr , thunderbird and nss only are affected by this package. CVE-2023-0767 Affected Packages: nss Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories. Issue Correction...

Medium: python3

Issue Overview: An issue in the urllib.parse component of Python before v3.11 allows attackers to bypass blocklisting methods by supplying a URL that starts with blank characters. CVE-2023-24329 Affected Packages: python3 Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository...

Medium: audiofile

Issue Overview: In autofile Audio File Library 0.3.6, there exists one memory leak vulnerability in printfileinfo, in printinfo.c, which allows an attacker to leak sensitive information via a crafted file. The printfileinfo function calls the copyrightstring function to get data, however, it dosn...

Medium: libsndfile

Issue Overview: An out-of-bounds read flaw was found in libsndfile's FLAC codec functionality. An attacker who is able to submit a specially crafted file via tricking a user to open or otherwise to an application linked with libsndfile and using the FLAC codec, could trigger an out-of-bounds read...

Medium: gstreamer1-plugins-base

Issue Overview: A flaw was found in gstreamer-plugins-base where an out-of-bounds read when handling certain ID3v2 tags is possible. The highest threat from this vulnerability is to system availability. CVE-2021-3522 Affected Packages: gstreamer1-plugins-base Note: This advisory is applicable to...

Low: vim

Issue Overview: Divide By Zero in GitHub repository vim/vim prior to 9.0.1367. CVE-2023-1127 Affected Packages: vim Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories. Issue Correction: Run...