Unpatched Oracle Web Logic Server Zero-day Let Hackers Executes Arbitrary Code Remotely & Gain Network Access

New Zero-day flaw discovered in Oracle Web logic server let attackers exploit this vulnerability to remotely execute commands without authorization.

An Oracle web Logic component wls9_async and wls-wsat trigger this deserialization remote command execution vulnerability and it affects all the Weblogic component wls9_async_response.war and wls-wsat.war enabled versions (including the current version).

WebLogic Server is a Java EE application server developed by Oracle Corporation for cloud environments and traditional environments. 

A wls9_async_response component is enabled by default in some versions of WebLogic and provides asynchronous communication services for WebLogic Server. When it performing the deserializing input information, a WAR package get distorted.

By taking advantage of this flaw, the attacker can send a carefully constructed malicious HTTP request to gain the permissions of the target server and execute the command remotely without authorization.

Reserachers from KnownSec 404 analysis the impacted weblogic server using ZoomEye is a famous cyberspace search engine and have 101,040 results about Oracle WebLogic server, there are 36,173 results on 2019. Most of them are distributed in the US and China.

According to seebug report, At present, Oracle officially has not released a patch, the temporary solution is as follows:

1, delete the war package and restart webLogic;

2. Control access to the URL of the /_async/* path through the access policy.

You can follow us on LinkedinTwitterFacebook for daily Cybersecurity updates also you can take the Best Cybersecurity courses online to keep your self-updated.

284 Vulnerabilities are Fixed that Affected Oracle Products

297 Vulnerabilities Fixed with the Oracle Critical Patch Update

Balaji

BALAJI is an Ex-Security Researcher (Threat Research Labs) at Comodo Cybersecurity. Editor-in-Chief & Co-Founder - Cyber Security News & GBHackers On Security.

Recent Posts

Hackers Exploiting DNS Poisoning to Compromise Active Directory Environments

A groundbreaking technique for Kerberos relaying over HTTP, leveraging multicast poisoning, has been recently detailed…

10 hours ago

New Android Malware Exploiting Wedding Invitations to Steal Victims WhatsApp Messages

Since mid-2024, cybersecurity researchers have been monitoring a sophisticated Android malware campaign dubbed "Tria Stealer,"…

10 hours ago

500 Million Proton VPN & Pass Users at Risk Due to Memory Protection Vulnerability

Proton, the globally recognized provider of privacy-focused services such as Proton VPN and Proton Pass,…

10 hours ago

Arcus Media Ransomware Strikes: Files Locked, Backups Erased, and Remote Access Disabled

The cybersecurity landscape faces increasing challenges as Arcus Media ransomware emerges as a highly sophisticated…

10 hours ago

Hackers Impersonate Top Tax Firm with 40,000 Phishing Messages to Steal Credentials

Proofpoint researchers have identified a marked increase in phishing campaigns and malicious domain registrations designed…

10 hours ago

Cybercriminals Exploit Public-Facing IIS, Apache, and SQL Servers to Breach Gov & Telecom Systems

A recent investigation by Unit 42 of Palo Alto Networks has uncovered a sophisticated, state-sponsored…

10 hours ago