CVE-2023-44372 TALOS-2023-1842 - Adobe Acrobat Reader U3D page event use-after-free vulnerability

Adobe Acrobat Reader versions 23.006.20360 and earlier and 20.005.30524 and earlier are affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a...

CVE-2023-44372 TALOS-2023-1842 - Adobe Acrobat Reader U3D page event use-after-free vulnerability

Adobe Acrobat Reader versions 23.006.20360 and earlier and 20.005.30524 and earlier are affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a...

Microsoft discloses only three critical vulnerabilities in November’s Patch Tuesday update, three other zero-days

Microsofts monthly security update released Tuesday only includes three critical vulnerabilities, an unusually small number based on previous months Patch Tuesdays. In all, this set of vulnerabilities Microsoft patched includes 57 vulnerabilities, 54 of which are considered "important." This is t...

Cisco IOX XE Unauthenticated Remote Code Execution

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Cisco IOX XE Unauthenticated RCE Chain', 'Description' = %q This module leverages both CVE-2023-20198 and CVE-2023-20273 against vulnerable...

Weston Embedded uC-HTTP HTTP Server memory corruption vulnerability

Talos Vulnerability Report TALOS-2023-1732 Weston Embedded uC-HTTP HTTP Server memory corruption vulnerability November 14, 2023 CVE Number CVE-2023-28391 SUMMARY A memory corruption vulnerability exists in the HTTP Server header parsing functionality of Weston Embedded uC-HTTP v3.01.01. Speciall...

Cisco IOX XE Unauthenticated Remote Code Execution Chain Exploit

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Cisco IOX XE Unauthenticated RCE Chain', 'Description' = %q This module leverages both CVE-2023-20198 and CVE-2023-20273 against vulnerable...

A new video series, Google Forms spam and the various gray areas of cyber attacks

I found the juxtaposition of stories on the Talos blog over the past week-plus kind of funny. On one hand, we had a massive story about Arid Viper, a Middle Eastern threat actor spreading spyware, one of the most dangerous types of malware out there right now, operating out of Gaza no less. Then,...

Threat Roundup for November 3 to November 10

Today, Talos is publishing a glimpse into the most prevalent threats weve observed between Nov. 3 and Nov. 10. As with previous roundups, this post isnt meant to be an in-depth analysis. Instead, this post will summarize the threats weve observed by highlighting key behavioral characteristics,...

Threat Roundup for October 27 to November 3

Today, Talos is publishing a glimpse into the most prevalent threats weve observed between Oct. 27 and Nov. 3. As with previous roundups, this post isnt meant to be an in-depth analysis. Instead, this post will summarize the threats weve observed by highlighting key behavioral characteristics,...

How helpful are estimates about how much cyber attacks cost?

Coming from the newspaper and media industry, Im no stranger to wanting to write catchy headlines. Im certainly at fault for throwing together a story about so-and-sos house sold for X million dollars. But recently Ive been wondering if those "big numbers" for cybersecurity are helpful at all, ev...

YoroTrooper: Researchers Warn of Kazakhstan's Stealthy Cyber Espionage Group

A relatively new threat actor known as YoroTrooper is likely made up of operators originating from Kazakhstan. The assessment, which comes from Cisco Talos, is based on their fluency in Kazakh and Russian, use of Tenge to pay for operating infrastructure, and very limited targeting of Kazakhstani...

Attacks on web applications spike in third quarter, new Talos IR data shows

Quarterly threat report: Telecommunications and education are most-targeted verticals There was a notable increase in threats to web applications, accounting for 30 percent of the engagements Cisco Talos Incident Response Talos IR responded to in the third quarter of 2023, compared to 8 percent t...

Exploit for Unprotected Alternate Channel in Rockwellautomation Allen-Bradley_Stratix_5200_Firmware

Cisco IOS XE Device Scanner User Guide for CVE-2023-20198-Scan...

Threat Roundup for October 13 to October 20

Today, Talos is publishing a glimpse into the most prevalent threats weve observed between Oct. 13 and Oct. 20. As with previous roundups, this post isnt meant to be an in-depth analysis. Instead, this post will summarize the threats weve observed by highlighting key behavioral characteristics,...

Cisco IOS XE vulnerability widely exploited in the wild

An authentication bypass affecting Cisco IOS X was disclosed on October 16, 2023. Researchers have found since then that the vulnerability is widely being exploited in the wild to help install implants on affected switches and routers. Cisco IOS XE is a universally deployed Internetworking...

Why logging is one of the most overlooked aspects of incident response, and how Cisco Talos IR can help

By Rami Altalhi and David Roman. Logs are fundamental to strengthening an organizations digital defenses. Many logs within an organization contain records related to computer security. These computer security logs are generated by many sources, including security software, workstations, servers,...

Snapshot fuzzing direct composition with WTF

Cisco Talos has developed a custom fuzzer using the popular snapshot fuzzer "WTF" which targets Direct Composition in Windows. Talos vulnerability research team used Protocol Buffers developed by Google to serialize and deserialize test cases. The Bochscpu backend of WTF was patched and other...

Top resources for Cybersecurity Awareness Month

Welcome to this weeks edition of the Threat Source newsletter. I didnt feel like I wanted to write anything special or witty this week given the current events in Israel and the Gaza Strip, but I will certainly advocate for any assistance readers would like to provide to the various organizations...

Yifan YF325 httpd gwcfg.cgi get stack-based buffer overflow vulnerability

Talos Vulnerability Report TALOS-2023-1764 Yifan YF325 httpd gwcfg.cgi get stack-based buffer overflow vulnerability October 11, 2023 CVE Number CVE-2023-34346 SUMMARY A stack-based buffer overflow vulnerability exists in the httpd gwcfg.cgi get functionality of Yifan YF325 v1.020221108. A...

Yifan YF325 httpd manage_request stack-based buffer overflow vulnerability

Talos Vulnerability Report TALOS-2023-1766 Yifan YF325 httpd managerequest stack-based buffer overflow vulnerability October 11, 2023 CVE Number CVE-2023-34426 SUMMARY A stack-based buffer overflow vulnerability exists in the httpd managerequest functionality of Yifan YF325 v1.020221108. A...