Weekly Threat Digest: 14 – 20 March 2022

For a detailed threat digest, download the pdf file here Published Vulnerabilities Interesting Vulnerabilities Active Threat Groups Targeted Countries Targeted Industries ATT&CK TTPs 567 22 5 36 15 60 The third week of March 2022 witnessed the discovery of 567 vulnerabilities out of which 22 gain...

Russian threat actor UAC-0056 targets European countries

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here. The Governmental Computer Emergency Response Team of Ukraine CERT-UA has released an alert about a Russian threat actor UAC-0056 SaintBear, UNC2589, TA471 delivering malwares using email attachments. UNC2589 is a cyber...

User Profile Arbitrary Junction Creation Local Privilege Elevation

The user profile service, identified as ProfSrv, is vulnerable to a local privilege elevation vulnerability in its CreateDirectoryJunction function due to a lack of appropriate checks on the directory structure of the junctions it tries to link together. Attackers can leverage this vulnerability ...

Russia-Ukraine Cybersecurity Updates

Cyberattacks are a distinct concern in the Russia-Ukraine conflict, with the potential to impact individuals and organizations far beyond the physical frontlines. With events unfolding rapidly, we want to provide a single channel by which we can communicate to the security community the major...

The Top 5 Russian Cyber Threat Actors to Watch

This post was updated on March 10, 2022 to include a section on the Conti Ransomware Group. As we continue to monitor the situation between Russia and Ukraine – and the potential for global cybersecurity impacts – we realize that our customers and other business and industry stakeholders may be...

asterisk -- multiple vulnerabilities

The Asterisk project reports: AST-2022-004 - The header length on incoming STUN messages that contain an ERROR-CODE attribute is not properly checked. This can result in an integer underflow. Note, this requires ICE or WebRTC support to be in use with a malicious remote party. AST-2022-005 - When...

CVE-2022-23608

PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In versions up to and including 2.11.1 when in a dialog set or forking scenario, a hash key shared by multiple UAC dialogs can...

Design/Logic Flaw

PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In versions up to and including 2.11.1 when in a dialog set or forking scenario, a hash key shared by multiple UAC dialogs can...

Purple Fox Rootkit Dropped by Malicious Telegram Installers

A malicious Telegram instant-messaging app installer scurries past a slew of antivirus AV engines to deliver Purple Fox malware, evading detection by separating the attack into bite-sized morsels that fly under the radar. In a Monday report, Minerva Labs said that the attack evades detection by A...

CVE-2021-41066

An issue was discovered in Listary through 6. When Listary is configured as admin, Listary will not ask for permissions again if a user tries to access files on the system from Listary itself it will bypass UAC protection; there is no privilege validation of the current user that runs via Listary...

Privilege escalation

An issue was discovered in Listary through 6. When Listary is configured as admin, Listary will not ask for permissions again if a user tries to access files on the system from Listary itself it will bypass UAC protection; there is no privilege validation of the current user that runs via Listary...

CVE-2021-41066

An issue was discovered in Listary through 6. When Listary is configured as admin, Listary will not ask for permissions again if a user tries to access files on the system from Listary itself it will bypass UAC protection; there is no privilege validation of the current user that runs via Listary...

DLLHijackingScanner - This Is A PoC For Bypassing UAC Using DLL Hijacking And Abusing The "Trusted Directories" Verification

This is a PoC for bypassing UAC using DLL hijacking and abusing the "Trusted Directories" verification. Generate Header from CSV The python script CsvToHeader.py can be used to generate a header file. By default it will use the CSV file dllhijackingcandidates.csv that can be found here:...

CVE-2020-21639

Ruijie RG-UAC 6000-E50 commit 9071227 was discovered to contain a cross-site scripting XSS vulnerability via the rulename parameter. This vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload...

CVE-2020-21627

Ruijie RG-UAC commit 9071227 was discovered to contain a vulnerability in the component /currentaction.php?action=reboot, which allows attackers to cause a denial of service DoS via unspecified vectors...

Code injection

Ruijie RG-UAC commit 9071227 was discovered to contain a vulnerability in the component /currentaction.php?action=reboot, which allows attackers to cause a denial of service DoS via unspecified vectors...

Cross site scripting

Ruijie RG-UAC 6000-E50 commit 9071227 was discovered to contain a cross-site scripting XSS vulnerability via the rulename parameter. This vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload...

CVE-2020-21627

The CVE-2020-21627 entry concerns Ruijie RG-UAC (unified access control) with a vulnerability in the /current_action.php?action=reboot path. The condition allows an attacker to cause a DoS via unspecified vectors. The affected component is the web action reboot handler, tied to the Ruijie RG-UAC ...

CVE-2020-21627

Ruijie RG-UAC commit 9071227 was discovered to contain a vulnerability in the component /currentaction.php?action=reboot, which allows attackers to cause a denial of service DoS via unspecified vectors...

CVE-2020-21639

Ruijie RG-UAC 6000-E50 commit 9071227 was discovered to contain a cross-site scripting XSS vulnerability via the rulename parameter. This vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload...