Pwning a Siemens Scalance ICS switch through ARM reversing

We’ve been working in industrial control systems security for a long time. Several of the team here used to work in OT control rooms or support SCADA environments. Whilst pen testing a ship control system, we noticed a heavy reliance on Siemens Scalance industrial ethernet switches, so bought a...

Wind River VxWorks IPnet TCP/IP Stack Vulnerabilities (aka. URGENT/11)

11 zero day vulnerabilities aka. URGENT/11 were disclosed in VxWorks® TCP/IP stack IPnet:...

CVE-2019-12262

Wind River VxWorks 6.6, 6.7, 6.8, 6.9 and 7 has Incorrect Access Control in the RARP client component. IPNET security vulnerability: Handling of unsolicited Reverse ARP replies Logical Flaw...

CVE-2019-12262

Wind River VxWorks 6.6, 6.7, 6.8, 6.9 and 7 has Incorrect Access Control in the RARP client component. IPNET security vulnerability: Handling of unsolicited Reverse ARP replies Logical Flaw...

Design/Logic Flaw

Wind River VxWorks 6.6, 6.7, 6.8, 6.9 and 7 has Incorrect Access Control in the RARP client component. IPNET security vulnerability: Handling of unsolicited Reverse ARP replies Logical Flaw...

CVE-2019-12262

CVE-2019-12262 affects Wind River VxWorks (6.6–7) IPNET TCP/IP stack, specifically the RARP client’s improper access control handling of unsolicited Reverse ARP replies. This logical flaw can enable remote exploitation over affected networks. Vendors have released advisories and patches; apply th...

CVE-2019-12262

Wind River VxWorks 6.6, 6.7, 6.8, 6.9 and 7 has Incorrect Access Control in the RARP client component. IPNET security vulnerability: Handling of unsolicited Reverse ARP replies Logical Flaw...

VxWorks 6.8 - TCP Urgent Pointer = 0 Integer Underflow Exploit

Exploit Title: VxWorks TCP Urgent pointer = 0 integer underflow vulnerability Discovered By: Armis Security PoC Author: Zhou Yu twitter: @504137480 Vendor Homepage: https://www.windriver.com Tested on: VxWorks 6.8 CVE: CVE-2019-12255 More Details:...

VxWorks 6.8 - TCP Urgent Pointer 0 Integer Underflow

VxWorks 6.8 - TCP Urgent Pointer 0 Integer Underflow Exploit Title: VxWorks TCP Urgent pointer = 0 integer underflow vulnerability Discovered By: Armis Security PoC Author: Zhou Yu twitter: @504137480 Vendor Homepage: https://www.windriver.com Tested on: VxWorks 6.8 CVE: CVE-2019-12255 More...

VxWorks 6.8 Integer Underflow

Exploit Title: VxWorks TCP Urgent pointer = 0 integer underflow vulnerability Discovered By: Armis Security PoC Author: Zhou Yu twitter: @504137480 Vendor Homepage: https://www.windriver.com Tested on: VxWorks 6.8 CVE: CVE-2019-12255 More Details:...

VxWorks 6.8 - TCP Urgent Pointer = 0 Integer Underflow

Exploit Title: VxWorks TCP Urgent pointer = 0 integer underflow vulnerability Discovered By: Armis Security PoC Author: Zhou Yu twitter: @504137480 Vendor Homepage: https://www.windriver.com Tested on: VxWorks 6.8 CVE: CVE-2019-12255 More Details:...

CVE-2019-12261

Wind River VxWorks 6.7 though 6.9 and vx7 has a Buffer Overflow in the TCP component issue 3 of 4. This is an IPNET security vulnerability: TCP Urgent Pointer state confusion during connect to a remote host...

CVE-2019-12260

Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component issue 2 of 4. This is an IPNET security vulnerability: TCP Urgent Pointer state confusion caused by a malformed TCP AO option...

CVE-2019-12260

Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component issue 2 of 4. This is an IPNET security vulnerability: TCP Urgent Pointer state confusion caused by a malformed TCP AO option...

CVE-2019-12261

Wind River VxWorks 6.7 though 6.9 and vx7 has a Buffer Overflow in the TCP component issue 3 of 4. This is an IPNET security vulnerability: TCP Urgent Pointer state confusion during connect to a remote host...

Buffer overflow

Wind River VxWorks 6.7 though 6.9 and vx7 has a Buffer Overflow in the TCP component issue 3 of 4. This is an IPNET security vulnerability: TCP Urgent Pointer state confusion during connect to a remote host...

CVE-2019-12261

Wind River VxWorks 6.7 though 6.9 and vx7 has a Buffer Overflow in the TCP component issue 3 of 4. This is an IPNET security vulnerability: TCP Urgent Pointer state confusion during connect to a remote host...

CVE-2019-12261

CVE-2019-12261 is a Wind River VxWorks IPNet TCP vulnerability (6.7–6.9 and vx7) with a Buffer Overflow in the TCP component caused by TCP Urgent Pointer state confusion during connect() to a remote host. The connected documents identify the affected platform, the issue type, and the root cause, ...

CVE-2019-12260

Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component issue 2 of 4. This is an IPNET security vulnerability: TCP Urgent Pointer state confusion caused by a malformed TCP AO option...

CVE-2019-12260

CVE-2019-12260 affects Wind River VxWorks 6.9 and vx7, in the IPNet TCP stack. The issue is a buffer overflow in the TCP component caused by a malformed TCP AO option leading to a TCP Urgent Pointer state confusion. Public sources describe potential for remote code execution or crashes via crafte...