New spear phishing campaign targets Russian dissidents

This blog post was authored by Hossein Jazi. -- Updated to clarify the two different campaigns Cobalt Strike and Rat Several threat actors have taken advantage of the war in Ukraine to launch a number of cyber attacks. The Malwarebytes Threat Intelligence team is actively monitoring these threats...

Microsoft Word Remote Code Execution Vulnerability

Microsoft Word allows attackers to execute remote code or cause a denial-of-service DoS via crafted RTF data...

Microsoft Office Stack-based Buffer Overflow Vulnerability

A stack-based buffer overflow vulnerability exists in the parsing of RTF data in Microsoft Office and earlier allows an attacker to perform remote code execution...

OpenJDK: Excessive memory allocation in RTFParser (Swing, 8265167)

Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE component: Swing. Supported versions that are affected are Java SE: 7u311, 8u301, 11.0.12, 17; Oracle GraalVM Enterprise Edition: 20.3.3 and 21.2.0. Easily exploitable vulnerability allows unauthenticated...

Patchwork APT caught in its own web

Patchwork is an Indian threat actor that has been active since December 2015 and usually targets Pakistan via spear phishing attacks. In its most recent campaign from late November to early December 2021, Patchwork has used malicious RTF files to drop a variant of the BADNEWS Ragnatela Remote...

USN-5202-1 openjdk-8, openjdk-lts vulnerabilities

Varnavas Papaioannou discovered that the FTP client implementation in OpenJDK accepted alternate server IP addresses when connecting with FTP passive mode. An attacker controlling an FTP server that an application connects to could possibly use this to expose sensitive information rudimentary por...

USN-5202-1: OpenJDK vulnerabilities

Varnavas Papaioannou discovered that the FTP client implementation in OpenJDK accepted alternate server IP addresses when connecting with FTP passive mode. An attacker controlling an FTP server that an application connects to could possibly use this to expose sensitive information rudimentary por...

OpenJDK: Excessive memory allocation in RTFParser (Swing, 8265167)

Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE component: Swing. Supported versions that are affected are Java SE: 7u311, 8u301, 11.0.12, 17; Oracle GraalVM Enterprise Edition: 20.3.3 and 21.2.0. Easily exploitable vulnerability allows unauthenticated...

Hackers Increasingly Using RTF Template Injection Technique in Phishing Attacks

Three different state-sponsored threat actors aligned with China, India, and Russia have been observed adopting a new method called RTF aka Rich Text Format template injection as part of their phishing campaigns to deliver malware to targeted systems. "RTF template injection is a novel technique...

OPENSUSE-SU-2021:1480-1 Security update for java-11-openjdk

This update for java-11-openjdk fixes the following issues: Update to 11.0.13+8 October 2021 CPU - CVE-2021-35550, bsc1191901: Update the default enabled cipher suites preference - CVE-2021-35565, bsc1191909: com.sun.net.HttpsServer spins on TLS session close - CVE-2021-35556, bsc1191910: Richer...

Security update for java-11-openjdk (important)

openSUSE Security Update: Security update for java-11-openjdk Announcement ID: openSUSE-SU-2021:3671-1 Rating: important References: 1191901 1191903 1191904 1191906 1191909 1191910 1191911 1191912 1191913 1191914 Cross-References: CVE-2021-35550 CVE-2021-35556 CVE-2021-35559 CVE-2021-35561...

OpenJDK: Excessive memory allocation in RTFReader (Swing, 8265580)

Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE component: Swing. Supported versions that are affected are Java SE: 7u311, 8u301, 11.0.12, 17; Oracle GraalVM Enterprise Edition: 20.3.3 and 21.2.0. Easily exploitable vulnerability allows unauthenticated...

Security fix for the ALT Linux 10 package java-11-openjdk version 0:11.0.13.8-alt1_1jpp11

0:11.0.13.8-alt11jpp11 built Nov. 8, 2021 Andrey Cherepanov in task 287838 Oct. 23, 2021 Andrey Cherepanov - New version. - Security fixes: + CVE-2021-35550 Update the default enabled cipher suites preference + CVE-2021-35565 com.sun.net.HttpsServer spins on TLS session close + CVE-2021-35556...

OpenJDK: Excessive memory allocation in RTFParser (Swing, 8265167)

Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE component: Swing. Supported versions that are affected are Java SE: 7u311, 8u301, 11.0.12, 17; Oracle GraalVM Enterprise Edition: 20.3.3 and 21.2.0. Easily exploitable vulnerability allows unauthenticated...

OpenJDK: Excessive memory allocation in RTFParser (Swing, 8265167)

Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE component: Swing. Supported versions that are affected are Java SE: 7u311, 8u301, 11.0.12, 17; Oracle GraalVM Enterprise Edition: 20.3.3 and 21.2.0. Easily exploitable vulnerability allows unauthenticated...

OpenJDK: Excessive memory allocation in RTFParser (Swing, 8265167)

Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE component: Swing. Supported versions that are affected are Java SE: 7u311, 8u301, 11.0.12, 17; Oracle GraalVM Enterprise Edition: 20.3.3 and 21.2.0. Easily exploitable vulnerability allows unauthenticated...

OpenJDK: Excessive memory allocation in RTFParser (Swing, 8265167)

Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE component: Swing. Supported versions that are affected are Java SE: 7u311, 8u301, 11.0.12, 17; Oracle GraalVM Enterprise Edition: 20.3.3 and 21.2.0. Easily exploitable vulnerability allows unauthenticated...

Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Microsoft

CVE-2017-11882 43b 原脚本来自于 https://github.com/embedi/CVE-2017-11882 109b 原脚本来自于 https://github.com/unamer/CVE-2017-11882/ （膜一波，现在unamer的代码已经可以执行shellcode了） CVE-2017-11882: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ MITRE CVE-2017-11882: https://vulners.com/cve/CVE-2017-118...

IT threat evolution Q2 2021

Targeted attacks The leap of a Cycldek-related threat actor It is quite common for Chinese-speaking threat actors to share tools and methodologies: one such example is the infamous "DLL side-loading triad": a legitimate executable, a malicious DLL to be side-loaded by it and an encoded payload,...

Hackers From China Target Vietnamese Military and Government

A hacking group related to a Chinese-speaking threat actor has been linked to an advanced cyberespionage campaign targeting government and military organizations in Vietnam. The attacks have been attributed with low confidence to the advanced persistent threat APT called Cycldek or Goblin Panda,...