Lantronix PremierWave 2050 Web Manager FsUnmount OS command injection vulnerability

Summary An OS command injection vulnerability exists in the Web Manager FsUnmount functionality of Lantronix PremierWave 2050 8.9.0.0R4. A specially-crafted HTTP request can lead to arbitrary command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability. Test...

Lantronix PremierWave 2050 Web Manager Applications and FsBrowse local file inclusion vulnerability

Summary A local file inclusion vulnerability exists in the Web Manager Applications and FsBrowse functionality of Lantronix PremierWave 2050 8.9.0.0R4. A specially-crafted series of HTTP requests can lead to local file inclusion. An attacker can make a series of authenticated HTTP requests to...

Lantronix PremierWave 2050 Web Manager FsTFtp directory traversal vulnerability

Summary A directory traversal vulnerability exists in the Web Manager FsTFtp functionality of Lantronix PremierWave 2050 8.9.0.0R4 in QEMU. A specially crafted HTTP request can lead to arbitrary file overwrite and arbitrary file disclosure. An attacker can make an authenticated HTTP request to...

Lantronix PremierWave 2050 Web Manager File Upload directory traversal vulnerability

Summary A directory traversal vulnerability exists in the Web Manager File Upload functionality of Lantronix PremierWave 2050 8.9.0.0R4. A specially-crafted HTTP request can lead to arbitrary file overwrite. An attacker can make an authenticated HTTP request to trigger this vulnerability. Tested...

Threat Roundup for November 5 to November 12

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Nov. 5 and Nov. 12. 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 key behavioral...

Talos Takes Ep. #76: What is Kimsuky phishing around for?

By Jon Munshaw. 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. Blog posts aren't just for sharing your darkest secrets from high school anymore. They're also used by attackers to... Thi...

Cisco Talos finds 10 vulnerabilities in Azure Sphere’s Linux kernel, Security Monitor and Pluton

By Claudio Bozzato and Lilith --;. Following our previous engagements see blog posts 1, 2, 3 and 4 with Microsoft's Azure Sphere IoT platform, we decided to take another look at the device, without all the rush and commotion that normally entails a hacking challenge. Today, we’re... This is only...

Zebra2104 Initial Access Broker Supports Rival Malware Gangs, APTs

Three separate threat groups are all using a common initial access broker IAB to enable their cyberattacks, according to researchers – a finding that has revealed a tangled web of related attack infrastructure underpinning disparate and in some cases rival malware campaigns. The BlackBerry Resear...

Threat Roundup for October 29 to November 5

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Oct. 29 and Nov. 5. 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 key behavioral...

‘Tortilla’ Wraps Exchange Servers in ProxyShell Attacks

A new-ish threat actor sometimes known as “Tortilla” is launching a fresh round of ProxyShell attacks on Microsoft Exchange servers, this time with the aim of inflicting vulnerable servers with variants of the Babuk ransomware. Cisco Talos researchers said in a Wednesday report that they spotted...

Threat Roundup for October 22 to October 29

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Oct. 22 and Oct. 29. 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 key behavioral...

New Wslink Malware Loader Runs as a Server and Executes Modules in Memory

Cybersecurity researchers on Wednesday took the wraps off a "simple yet remarkable" malware loader for malicious Windows binaries targeting Central Europe, North America and the Middle East. Codenamed "Wslink" by ESET, this previously undocumented malware stands apart from the rest in that it run...

SquirrelWaffle Loader Malspams, Packs Qakbot, Cobalt Strike

SquirrelWaffle, a new malware loader, is mal-spamming malicious Microsoft Office documents to deliver Qakbot malware and the penetration-testing tool Cobalt Strike – two of the most common threats regularly observed targeting organizations around the world. Cisco Talos researchers said on Tuesday...

Vulnerability Spotlight: Multiple vulnerabilities in ZTE MF971R LTE router

Marcin “Icewall” Noga of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered multiple vulnerabilities in the ZTE MF971R LTE portable router. The MF971R is a portable router with Wi-Fi support and works as an LTE/GSM modem. An attacker could... This is...

'Lone Wolf' Hacker Group Targeting Afghanistan and India with Commodity RATs

A new malware campaign targeting Afghanistan and India is exploiting a now-patched, 20-year-old flaw affecting Microsoft Office to deploy an array of commodity remote access trojans RATs that allow the adversary to gain complete control over the compromised endpoints. Cisco Talos attributed the...

Threat Roundup for October 15 to October 22

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Oct. 15 and Oct. 22. 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 key behavioral...

Threat Source newsletter (Oct. 21, 2021)

Newsletter compiled by Jon Munshaw.Good afternoon, Talos readers. We're writing this on Wednesday for PTO reasons, so apologies if we miss any major news that happens after Wednesday afternoon. Above, you can watch our awesome live stream from Monday with Brad Garnett from... This is only the...

‘Lone Wolf’ APT Uses Commodity RATs

An APT described as a “lone wolf” is exploiting a decades-old Microsoft Office flaw to deliver a barrage of commodity RATs to organizations in India and Afghanistan, researchers have found. Attackers use political and government-themed malicious domains as lures in the campaign, which targets...

Vulnerabilities fixed in Nitro Pro PDF

Vulnerabilities have been fixed in Nitro Pro PDF. The vulnerabilities allow an unauthenticated remote malicious person to opportunity to execute arbitrary code under the privileges of the application. To do this, the malicious agent must trick the victim to open a malicious file. Nitro Software...

Beers with Talos, Ep. #110: The 10 most-exploited vulnerabilities this year (You won't believe No. 6!)

Beers with Talos BWT Podcast episode No. 110 is now available. Download this episode and subscribe to Beers with Talos:Apple Podcasts Google PodcastsSpotify StitcherIf iTunes and Google Play aren't your thing, click here. We mainly spend this episode doing some catching up... This is only the...