North Korean APT’s Covert Supply-Chain Ambush

Summary: There has been a significant increase in software supply chain attacks orchestrated by North Korean hackers. Notably, the MagicLine4NX and 3CX compromises gained attention, with the Lazarus hacking group employing a sophisticated approach. They leverage a zero-day vulnerability in the...

IT threat evolution in Q2 2023

IT threat evolution in Q2 2023 IT threat evolution in Q2 2023. Non-mobile statistics IT threat evolution in Q2 2023. Mobile statistics Targeted attacks Gopuram backdoor deployed through 3CX supply-chain attack Earlier this year, a Trojanized version of the 3CXDesktopApp, a popular VoIP program, w...

3CX Uncontrolled Search Path Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of 3CX. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the configuration of OpenSSL. Th...

Reflecting on supply chain attacks halfway through 2023

Welcome to this weeks edition of the Threat Source newsletter. Between the Talos Takes episode last week and helping my colleague Hazel with the Half-Year in Review, I realized how much I had already forgotten about 2023 already. Its been a whirlwind, personally and professionally, and I think it...

3CX Open Standards Software IP PBX Thailand 2.0.3 Cross Site Scripting

==================================================================================================================================== | Title : 3CX Open Standards Software IP PBX Thailand v 2.0.3 XSS Vulnerability | | Author : indoushka | | Tested on : windows 10 Français V.Pro / browser : Mozilla...

CVE-2022-48483

3CX before 18 Hotfix 1 build 18.0.3.461 on Windows allows unauthenticated remote attackers to read %WINDIR%\system32 files via /Electron/download directory traversal in conjunction with a path component that has a drive letter and uses backslash characters. NOTE: this issue exists because of an...

CVE-2022-48482

3CX before 18 Update 2 Security Hotfix build 18.0.2.315 on Windows allows unauthenticated remote attackers to read certain files via /Electron/download directory traversal. Files may have credentials, full backups, call recordings, and chat logs...

Directory traversal

3CX before 18 Hotfix 1 build 18.0.3.461 on Windows allows unauthenticated remote attackers to read %WINDIR%\system32 files via /Electron/download directory traversal in conjunction with a path component that has a drive letter and uses backslash characters. NOTE: this issue exists because of an...

Directory traversal

3CX before 18 Update 2 Security Hotfix build 18.0.2.315 on Windows allows unauthenticated remote attackers to read certain files via /Electron/download directory traversal. Files may have credentials, full backups, call recordings, and chat logs...

CVE-2022-48483

3CX before 18 Hotfix 1 build 18.0.3.461 on Windows allows unauthenticated remote attackers to read %WINDIR%\system32 files via /Electron/download directory traversal in conjunction with a path component that has a drive letter and uses backslash characters. NOTE: this issue exists because of an...

CVE-2022-48483

3CX before 18 Hotfix 1 build 18.0.3.461 on Windows allows unauthenticated remote attackers to read %WINDIR%\system32 files via /Electron/download directory traversal in conjunction with a path component that has a drive letter and uses backslash characters. NOTE: this issue exists because of an...

CVE-2022-48482

3CX before 18 Update 2 Security Hotfix build 18.0.2.315 on Windows allows unauthenticated remote attackers to read certain files via /Electron/download directory traversal. Files may have credentials, full backups, call recordings, and chat logs...

CVE-2022-48482

3CX before 18 Update 2 Security Hotfix build 18.0.2.315 on Windows allows unauthenticated remote attackers to read certain files via /Electron/download directory traversal. Files may have credentials, full backups, call recordings, and chat logs...

CVE-2022-48483

3CX on Windows is vulnerable to a directory-traversal on /Electron/download in versions before 18 Hotfix 1 (18.0.3.461), allowing unauthenticated remote reading of %WINDIR%\system32. Root cause: an incomplete fix for CVE-2022-28005. Impact is read access; no exploit details provided. Remediation:...

CVE-2022-48482

CVE-2022-48482 affects 3CX Phone System on Windows prior to 18 Update 2 Security Hotfix 18.0.2.315. The issue is a directory traversal vulnerability in the /Electron/download interface that allows unauthenticated remote readers to access files (including credentials, backups, call recordings, and...

Threat Source newsletter (April 27, 2023) — New Cisco Secure offerings and extra security from Duo

Welcome to this weeks edition of the Threat Source newsletter. Im writing this earlier in the week as I get ready for some personal travel everyone is lucky I passed on writing another Cybersecurity Mock Draft, so apologies if I miss anything major that happens at RSA. But Cisco beat everyone to...

Lazarus X_TRADER Hack Impacts Critical Infrastructure Beyond 3CX Breach

Lazarus, the prolific North Korean hacking group behind the cascading supply chain attack targeting 3CX, also breached two critical infrastructure organizations in the power and energy sector and two other businesses involved in financial trading using the trojanized XTRADER application. The new...

Lazarus X_TRADER Hack Impacts Critical Infrastructure Beyond 3CX Breach

Lazarus, the prolific North Korean hacking group behind the cascading supply chain attack targeting 3CX, also breached two critical infrastructure organizations in the power and energy sector and two other businesses involved in financial trading using the trojanized XTRADER application. The new...

N.K. Hackers Employ Matryoshka Doll-Style Cascading Supply Chain Attack on 3CX

The supply chain attack targeting 3CX was the result of a prior supply chain compromise associated with a different company, demonstrating a new level of sophistication with North Korean threat actors. Google-owned Mandiant, which is tracking the attack event under the moniker UNC4736, said the...

3CX Breach Was a Double Supply Chain Compromise

We learned some remarkable new details this week about the recent supply-chain attack on VoIP software provider 3CX. The lengthy, complex intrusion has all the makings of a cyberpunk spy novel: North Korean hackers using legions of fake executive accounts on LinkedIn to lure people into opening...