Nearly 2,000 Citrix NetScaler Instances Hacked via Critical Vulnerability

Nearly 2,000 Citrix NetScaler instances have been compromised with a backdoor by weaponizing a recently disclosed critical security vulnerability as part of a large-scale attack. "An adversary appears to have exploited CVE-2023-3519 in an automated fashion, placing web shells on vulnerable...

USN-6287-1 golang-yaml.v2 vulnerabilities

Simon Ferquel discovered that the Go yaml package incorrectly handled certain YAML documents. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause the system to crash, resulting in a denial of service...

AZL-37422 CVE-2023-39533 affecting package golang for versions less than 1.21.6-1

go-libp2p is the Go implementation of the libp2p Networking Stack. Prior to versions 0.27.8, 0.28.2, and 0.29.1 malicious peer can use large RSA keys to run a resource exhaustion attack & force a node to spend time doing signature verification of the large key. This vulnerability is present in th...

EulerOS 2.0 SP9 : shim (EulerOS-SA-2023-2628)

According to the versions of the shim packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - Issue summary: Processing some specially crafted ASN.1 object identifiers or data containing them may be very slow. Impact summary: Applications...

undertow: OutOfMemoryError due to @MultipartConfig handling

A flaw was found in undertow. Servlets annotated with @MultipartConfig may cause an OutOfMemoryError due to large multipart content. This may allow unauthorized users to cause remote Denial of Service DoS attack. If the server uses fileSizeThreshold to limit the file size, it's possible to bypass...

Memory Allocation with Excessive Size Value

Overview io.undertow:undertow-core is a Java web server based on non-blocking IO. Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value due to improper @MultipartConfig annotation handling for very large multipart content. Note: If the server uses...

Denial Of Service (DoS)

gitlab is vulnerable to Denial of Service DoS. The vulnerability exists due to the lack of length validation in the Snippet descriptions of the library, which allows an attacker to cause an application crash by submitting the maliciously large snippet...

Denial Of Service (DoS)

gitlab is vulnerable to Denial of Service DoS attacks. This vulnerability occurs when an attacker can send a large number of requests to read commit details. This could cause GitLab to run out of resources, such as memory or CPU, and could lead to a denial of service...

SUSE CVE-2023-29407

A maliciously-crafted image can cause excessive CPU consumption in decoding. A tiled image with a height of 0 and a very large width can cause excessive CPU consumption, despite the image size width height appearing to be zero...

SUSE SLES15: libopenssl-1_1-devel / libopenssl-1_1-devel-32bit / libopenssl1_1 / etc (SUSE-SU-2023:3179-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:3179-1 advisory. - CVE-2022-4304: Reworked the fix for the Timing-Oracle in RSA decryption. The previous fix for this timing side channel turned out...

golang: net/http: excessive memory growth in a Go server accepting HTTP/2 requests

A flaw was found in the net/http library of the golang package. This flaw allows an attacker to cause excessive memory growth in a Go server accepting HTTP/2 requests. HTTP/2 server connections contain a cache of HTTP header keys sent by the client. While the total number of entries in this cache...

Cyber Signals: Sporting events and venues draw cyberthreats at increasing rates

Today we released the fifth edition of Cyber Signals, spotlighting threats to large venues, and sporting and entertainment events, based on our learnings and telemetry from delivering cybersecurity support to critical infrastructure facilities during the State of Qatar’s hosting of the FIFA World...

GHSA-J3P8-6MRQ-6G7H Golang TIFF decoder vulnerable to excessive CPU consumption

A maliciously-crafted image can cause excessive CPU consumption in decoding. A tiled image with a height of 0 and a very large width can cause excessive CPU consumption, despite the image size width height appearing to be zero...

DEBIAN-CVE-2023-29407

A maliciously-crafted image can cause excessive CPU consumption in decoding. A tiled image with a height of 0 and a very large width can cause excessive CPU consumption, despite the image size width height appearing to be zero...

UBUNTU-CVE-2023-29407

A maliciously-crafted image can cause excessive CPU consumption in decoding. A tiled image with a height of 0 and a very large width can cause excessive CPU consumption, despite the image size width height appearing to be zero...

CVE-2023-29407 Excessive CPU consumption when decoding 0-height images in golang.org/x/image/tiff

A maliciously-crafted image can cause excessive CPU consumption in decoding. A tiled image with a height of 0 and a very large width can cause excessive CPU consumption, despite the image size width height appearing to be zero...

Allocation of Resources Without Limits or Throttling

Overview std/crypto/tls is a Go standard library package std/crypto/tls Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling. Go Vulnerability Report: via the crypto/tls process. An attacker can cause excessive CPU consumption by presenting...

SUSE CVE-2023-3817

Issue summary: Checking excessively long DH keys or parameters may be very slow. Impact summary: Applications that use the functions DHcheck, DHcheckex or EVPPKEYparamcheck to check a DH key or DH parameters may experience long delays. Where the key or parameters that are being checked have been...

The ap_rwrite function in Apache HTTP Server 2.4.53 and earlier may read unintended memory

The aprwrite function in Apache HTTP Server 2.4.53 and earlier may read unintended memory if an attacker can cause the server to reflect very large input using aprwrite or aprputs, such as with modluas r:puts function. Modules compiled and distributed separately from Apache HTTP Server that use t...

Uncover the Hidden Story of Ransomware Victims – They’re Not Who You Think

Uncover the Hidden Story of Ransomware Victims – They’re Not Who You Think By Trellix Advanced Research Center · July 31, 2023 Ransomware attacks against large corporations often dominate headlines. High-profile attacks against organizations like Kaseya, Colonial Pipeline, and MOVEit might make y...