Cisco Talos Blog

December 20, 2019 13:09

Cisco ASA DoS bug attacked in wild

By Nick Biasini. Cisco Talos has recently noticed a sudden spike in exploitation attempts against a specific vulnerability in our Cisco Adaptive Security Appliance (ASA) and Firepower Appliance. The vulnerability, CVE-2018-0296, is a denial-of-service and information disclosure

January 2, 2019 13:50

Vulnerability Spotlight: Multiple privilege escalation vulnerabilities in CleanMyMac X

Tyler Bohan of Cisco Talos discovered these vulnerabilities. Executive summary Today, Cisco Talos is disclosing several vulnerabilities in MacPaw’s CleanMyMac X software. CleanMyMac X is a cleanup application for Mac operating systems that allows users to free up extra sp

September 28, 2018 09:14

Threat Roundup Sept 21 - 28

Today, as we do every week, Talos is giving you a glimpse into the most prevalent threats we’ve observed this week — covering the dates between Sept. 21 and 28. As with previous roundups, this post isn’t meant to be an in-depth analysis. Instead, we will summarize the threats we

August 14, 2018 14:26

Microsoft Tuesday August 2018

Microsoft released its monthly set of security advisories today for vulnerabilities that have been identified and addressed in various products. This month's advisory release addresses 62 new vulnerabilities, 20 of which are rated “critical,” 38 that are rated “important,” on

July 13, 2018 11:23

Threat Roundup for July 6-13

Today, as we do every week, Talos is giving you a glimpse into the most prevalent threats we've observed this week — covering the dates between July 6 and 13. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize t

July 6, 2018 12:48

Threat Roundup for June 29 to July 6th

Today, as we do every week, Talos is giving you a glimpse into the most prevalent threats we've observed this week — covering the dates between June 29 and July 6. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, it will summarize the

June 29, 2018 11:42

Threat Roundup for June 22-29

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between June 22 and June 29. As with previous round-ups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting

March 1, 2018 10:29

Vulnerability Spotlight: Dovecot out-of-bounds Read Vulnerability

Overview Today, Cisco Talos is disclosing a single out-of-bounds read vulnerability in the Dovecot IMAP server. Dovecot is a popular internet message access protocol, or IMAP, server with performance and security-oriented design. It is a popular choice for robust email servers.

October 19, 2017 16:51

Vulnerability Spotlight: Google PDFium Tiff Code Execution

Overview Talos is disclosing a single off-by-one read/write vulnerability found in the TIFF image decoder functionality of PDFium as used in Google Chrome up to and including version 60.0.3112.101. Google Chrome is the most widely used web browser today and a specially crafted P