Threat Advisory: HAFNIUM and Microsoft Exchange zero-day
Microsoft released patches for four vulnerabilities in Exchange Server on March 2, disclosing that these vulnerabilities were being exploited by a previously unknown threat actor, referred to as HAFNIUM. The vulnerabilities in question — CVE-2021-26855, CVE-2021-26857, CVE-2021-
Vulnerability Spotlight: Remote code execution vulnerability in WebKit WebAudio API
Marcin “Icewall” Noga of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. The WebKit browser engine contains a remote code execution vulnerability in its WebAudio API interface. A malicious web page code could trigger a use-after-free error, which could lead to
Vulnerability Spotlight: Password reset vulnerability in Epignosis eFront
Richard Dean, CX security advisory, EMEAR, discovered this vulnerability. Blog by Jon Munshaw. Epignosis eFront contains a vulnerability that could allow an adversary to reset the password of any account of their choosing. eFront is a learning management system platform that all
ObliqueRAT returns with new campaign using hijacked websites
By Asheer Malhotra. * Cisco Talos has observed another malware campaign that utilizes malicious Microsoft Office documents (maldocs) to spread the remote access trojan (RAT) ObliqueRAT. * This campaign targets organizations in South Asia. * ObliqueRAT has been linked to th
Vulnerability Spotlight: Memory corruption vulnerability in Accusoft ImageGear
Emmanuel Tacheau discovered this vulnerability. Blog by Jon Munshaw. Accusoft ImageGear contains a vulnerability that could allow an attacker to corrupt the software's memory, potentially allowing them to execute arbitrary code on the victim machine. The ImageGear library is
Threat Roundup for February 19 to February 26
Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Feb. 19 and Feb. 26. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting k
Talos Takes Ep. #42: Seriously folks, save your logs
The latest episode of Talos Takes is available now. Download this episode and subscribe to Talos Takes using the buttons below, or visit the Talos Takes page. When Pierre Cadieux steps into a Cisco Talos Incident Response engagement, the first thing he wants to do is check out t
Threat Source newsletter (Feb. 25, 2021)
Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. We all think of APTs as these wide-reaching, silent threat groups who are backed by a nation-state. But our recent research into Gamaredon shows that not all APTs are created equal. We’ve spotted this actor car
Beers with Talos Ep. #101: Is security the career you really want?
Beers with Talos (BWT) Podcast episode No. 101 is now available. Download this episode and subscribe to Beers with Talos: If iTunes and Google Play aren't your thing, click here. By Mitch Neff. Recorded Jan. 22, 2020 – We get a lot of questions in Talos about HOW to get a