Tuesday , June 3 2025

Microsoft Releases Updates for October 2023 to Patch 2 Actively Exploited Zero-Days

Microsoft released its October 2023 Patch Tuesday updates, fixing a total of 103 software flaws. Two of these flaws were actively exploited in the wild.

Out of the 103 flaws, 13 are classified as Critical and 90 as Important. This is in addition to the 18 security vulnerabilities that were fixed in the Chromium-based Edge browser since the second Tuesday of September.

Qualcomm Patches 3 Zero-Days Used in Targeted Android Attacks

Qualcomm has issued security patches for three zero-day vulnerabilities in the Adreno GPU driver, affecting many chipsets that are being...
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Critical RCE Flaw Patched in Roundcube Webmail

Roundcube Webmail has fixed a critical security flaw that could enable remote code execution after authentication. Disclosed by security researcher...
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Critical RCE Flaw Patched in Roundcube Webmail

Hacker claim Leak of Deloitte Source Code & GitHub Credentials

A hacker known as "303" claim to breach the company's systems and leaked sensitive internal data on a dark web...
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Hacker claim Leak of Deloitte Source Code & GitHub Credentials

CISA Issued Guidance for SIEM and SOAR Implementation

CISA and ACSC issued new guidance this week on how to procure, implement, and maintain SIEM and SOAR platforms. SIEM...
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CISA Issued Guidance for SIEM and SOAR Implementation

Linux flaws enable password hash theft via core dumps in Ubuntu, RHEL, Fedora

The Qualys Threat Research Unit (TRU) found two local information-disclosure vulnerabilities in Apport and systemd-coredump. Both issues are race-condition vulnerabilities....
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Linux flaws enable password hash theft via core dumps in Ubuntu, RHEL, Fedora

Australia enacts mandatory ransomware payment reporting

New ransomware payment reporting rules take effect in Australia yesterday (May 30) for all organisations with an annual turnover of...
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Why Govt Demands Foreign CCTV Firms to Submit Source Code?

Global makers of surveillance gear have clashed with Indian regulators in recent weeks over contentious new security rules that require...
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CVE-2023-39780
Botnet hacks thousands of ASUS routers

GreyNoise has discovered a campaign where attackers have gained unauthorized access to thousands of internet-exposed ASUS routers. This seems to...
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CVE-2023-39780  Botnet hacks thousands of ASUS routers

Bangladesh Bank instructed using AI to prevent online gambling

The rise of online gambling in the country is leading to increased crime and societal issues. In response, the central...
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Bangladesh Bank instructed using AI to prevent online gambling

251 Amazon-Hosted IPs Used in Exploit Scan for ColdFusion, Struts, and Elasticsearch

Cybersecurity researchers recently revealed a coordinated cloud-based scanning attack that targeted 75 different exposure points earlier this month. On May...
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251 Amazon-Hosted IPs Used in Exploit Scan for ColdFusion, Struts, and Elasticsearch

ALSO READ:

Microsoft 365 admins warned about new Google anti-spam rules

The two vulnerabilities that been weaponized as zero-days are as follows –

CVE-2023-36563 (CVSS score: 6.5) – An information disclosure vulnerability in Microsoft WordPad that could result in the leak of NTLM hashes

CVE-2023-41763 (CVSS score: 5.3) – A privilege escalation vulnerability in Skype for Business that could lead to exposure of sensitive information such as IP addresses or port numbers (or both), enabling threat actors to gain access to internal networks

An attacker would need to log into the system and then run a specific application to exploit this vulnerability and take control of an affected system, according to Microsoft’s advisory for CVE-2023-36563. “Additionally, an attacker could trick a local user into opening a harmful file.”

Also, there are numerous vulnerabilities in Microsoft Message Queuing (MSMQ) and Layer 2 Tunneling Protocol that may result in remote code execution and denial-of-service (DoS).

A security update fixes a serious bug in Windows IIS Server (CVE-2023-36434, CVSS score: 9.8). This bug could enable an attacker to pretend to be another user and log in using a brute-force attack.

The tech giant released an update for CVE-2023-44487, also known as the HTTP/2 Rapid Reset attack. It has been exploited by unknown actors as a zero-day for DDoS attacks.

The DDoS attack may affect the availability of the service, but it does not result in customer data compromise. So far, there is no evidence of customer data being compromised.

Microsoft announced that VBScript (Visual Basic Script), which is commonly used for malware distribution, is being deprecated. In future Windows releases, VBScript will be available as a feature on demand before being completely removed from the operating system.

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