Security News

Barracuda Warns of Zero-Day Exploited to Breach Email Security Gateway Appliances
2023-05-26 04:04

Email protection and network security services provider Barracuda is warning users about a zero-day flaw that it said has been exploited to breach the company's Email Security Gateway appliances. "The vulnerability stems from incomplete input validation of a user-supplied.tar file as it pertains to the names of the files contained within the archive. As a consequence, a remote attacker can specifically format these file names in a particular manner that will result in remotely executing a system command through Perl's qx operator with the privileges of the Email Security Gateway product."

Barracuda email security appliances hacked via zero-day vulnerability (CVE-2023-2868)
2023-05-25 09:50

A vulnerability in Barracuda Networks' Email Security Gateway appliances has been exploited by attackers, the company has warned. CVE-2023-2868 is a critical remote command injection vulnerability affecting only physical Barracuda Email Security Gateway appliances, versions 5.1.3.001 - 9.2.0.006.

Barracuda warns of email gateways breached via zero-day flaw
2023-05-24 15:42

Barracuda, a company known for its email and network security solutions, warned customers today that some of their Email Security Gateway appliances were breached last week by targeting a now-patched zero-day vulnerability. While the flaw was patched over the weekend, Barracuda warned on Tuesday that some of its customers' ESG appliances were compromised by exploiting the now-patched security bug.

Apple’s secret is out: 3 zero-days fixed, so be sure to patch now!
2023-05-19 18:02

Apple have just introduced "Rapid Security Responses." People are reporting that they take seconds to download and require one super-quick reboot. These new Rapid Security Responses were only available for the very latest version of macOS and the latest iOS/iPadOS, which left users of older Macs and iDevices, as well as owners of Apple Watches and Apple TVs, in the dark.

WebKit Under Attack: Apple Issues Emergency Patches for 3 New Zero-Day Vulnerabilities
2023-05-19 03:43

Apple on Thursday rolled out security updates to iOS, iPadOS, macOS, tvOS, watchOS, and the Safari web browser to address three new zero-day flaws that it said are being actively exploited in the wild. An anonymous researcher has been acknowledged for reporting the other two issues.

Apple fixes three new zero-days exploited to hack iPhones, Macs
2023-05-18 19:34

Apple has addressed three new zero-day vulnerabilities exploited in attacks to hack into iPhones, Macs, and iPads. Apple addressed the three zero-days in macOS Ventura 13.4, iOS and iPadOS 16.5, tvOS 16.5, watchOS 9.5, and Safari 16.5 with improved bounds checks, input validation, and memory management.

Bootkit zero-day fix – is this Microsoft’s most cautious patch ever?
2023-05-10 18:50

Although you'll get the patch if you perform a full Patch Tuesday download and let the update complete. The full patch involves updating Microsoft's bootup code in your hard disk's startup partition, and then telling your motherboard not to trust the old, insecure bootup code any more.

Microsoft's May Patch Tuesday Fixes 38 Flaws, Including 2 Exploited Zero-Day Bugs
2023-05-10 05:34

Microsoft has rolled out Patch Tuesday updates for May 2023 to address 38 security flaws, including one zero-day bug that it said is being actively exploited in the wild. Eight of the flaws have been tagged with "Exploitation More Likely" assessment by Microsoft.

Microsoft issues optional fix for Secure Boot zero-day used by malware
2023-05-09 18:45

Microsoft has released security updates to address a Secure Boot zero-day vulnerability exploited by BlackLotus UEFI malware to infect fully patched Windows systems. According to a Microsoft Security Response Center blog post, the security flaw was used to bypass patches released for CVE-2022-21894, another Secure Boot bug abused in BlackLotus attacks last year.

Microsoft fixes Secure Boot zero-day used by BlackLotus UEFI malware
2023-05-09 18:45

Microsoft has released security updates to address a Secure Boot zero-day vulnerability exploited by BlackLotus UEFI malware to infect fully patched Windows systems. According to a Microsoft Security Response Center blog post, the security flaw was used to bypass patches released for CVE-2022-21894, another Secure Boot bug abused in BlackLotus attacks last year.