#dos

IBM QRadar SIEM 7.3, 7.4, and 7.5 in some senarios may reveal authorized service tokens to other QRadar users. IBM X-Force ID: 210021

From “IT Army” DDoS attacks to custom malware, the country has become a target like never before.

An access control issue in Zammad v5.0.3 allows attackers to write entries to the CTI caller log without authentication. This vulnerability can allow attackers to execute phishing attacks or cause a Denial of Service (DoS).

A lack of password length restriction in Zammad v5.1.0 allows for the creation of extremely long passwords which can cause a Denial of Service (DoS) during password verification.

A lack of rate limiting in the 'forgot password' feature of Zammad v5.1.0 allows attackers to send an excessive amount of reset requests for a legitimate user, leading to a possible Denial of Service (DoS) via a large amount of generated e-mail messages.

A flaw was found in htmldoc commit 31f7804. A heap buffer overflow in the function pdf_write_names in ps-pdf.cxx may lead to arbitrary code execution and Denial of Service (DoS).

Ubuntu Security Notice 5388-2 - It was discovered that OpenJDK incorrectly verified ECDSA signatures. An attacker could use this issue to bypass the signature verification process. It was discovered that OpenJDK incorrectly limited memory when compiling a specially crafted XPath expression. An attacker could possibly use this issue to cause a denial of service. It was discovered that OpenJDK incorrectly handled converting certain object arguments into their textual representations. An attacker could possibly use this issue to cause a denial of service.

Ubuntu Security Notice 5388-1 - It was discovered that OpenJDK incorrectly limited memory when compiling a specially crafted XPath expression. An attacker could possibly use this issue to cause a denial of service. It was discovered that OpenJDK incorrectly handled converting certain object arguments into their textual representations. An attacker could possibly use this issue to cause a denial of service. It was discovered that OpenJDK incorrectly validated the encoded length of certain object identifiers. An attacker could possibly use this issue to cause a denial of service.

Ubuntu Security Notice 5387-1 - Douglas Mendizábal discovered that Barbican incorrectly handled access restrictions. An authenticated attacker could possibly use this issue to consume protected resources and possibly cause a denial of service.

Unprecedented numbers of DDoS attacks since February are the result of hacktivists' cyberwar against Russian state interests, researchers say.