0-day

Google fixes Chrome zero-day with in-the-wild exploit (CVE-2024-4671)

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Google fixes Chrome zero-day with in-the-wild exploit (CVE-2024-4671) 2024-05-10 at 12:16 By Zeljka Zorz Google has fixed a Chrome zero-day vulnerability (CVE-2024-4671), an exploit for which exists in the wild. About CVE-2024-4671 CVE-2024-4671 is a use after free vulnerability in the Visuals component that can be exploited by remote attackers to trigger an exploitable heap […]

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Hackers backdoored Cisco ASA devices via two zero-days (CVE-2024-20353, CVE-2024-20359)

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Hackers backdoored Cisco ASA devices via two zero-days (CVE-2024-20353, CVE-2024-20359) 2024-04-24 at 21:31 By Zeljka Zorz A state-sponsored threat actor has managed to compromise Cisco Adaptive Security Appliances (ASA) used on government networks across the globe and use two zero-day vulnerabilities (CVE-2024-20353, CVE-2024-20359) to install backdoors on them, Cisco Talos researchers have shared on Wednesday.

Hackers backdoored Cisco ASA devices via two zero-days (CVE-2024-20353, CVE-2024-20359) Read More »

Russian hackers’ custom tool exploits old Windows Print Spooler flaw (CVE-2022-38028)

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Russian hackers’ custom tool exploits old Windows Print Spooler flaw (CVE-2022-38028) 2024-04-23 at 17:01 By Zeljka Zorz For nearly four years and perhaps even longer, Forest Blizzard (aka Fancy Bear, aka APT28) has been using a custom tool that exploits a specific vulnerability in Windows Print Spooler service (CVE-2022-38028). Dubbed GooseEgg, the tool is a

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Zero-day exploitation surged in 2023, Google finds

0-day, APT, cybercrime, Don't miss, exploit, Google, Hot stuff, Mandiant, News, spyware /

Zero-day exploitation surged in 2023, Google finds 2024-03-28 at 17:17 By Zeljka Zorz 2023 saw attackers increasingly focusing on the discovery and exploitation of zero-day vulnerabilities in third-party libraries (libvpx, ImagelO) and drivers (Mali GPU, Qualcomm Adreno GPU), as they can affect multiple products and effectively offer more possibilities for attack. Another interesting conclusion from

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Apple fixes two actively exploited iOS zero-days (CVE-2024-23225, CVE-2024-23296)

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Apple fixes two actively exploited iOS zero-days (CVE-2024-23225, CVE-2024-23296) 2024-03-06 at 11:45 By Zeljka Zorz Apple has fixed two iOS zero-day vulnerabilities (CVE-2024-23225, CVE-2024-23296) exploited by attackers in the wild. CVE-2024-23225 and CVE-2024-23296 On Tuesday, Apple released security updates for all three supported branches of iOS and iPadOS. iOS and iPadOS 17.4 carry fixes for

Apple fixes two actively exploited iOS zero-days (CVE-2024-23225, CVE-2024-23296) Read More »

Microsoft patches two zero-days exploited by attackers (CVE-2024-21412, CVE-2024-21351)

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Microsoft patches two zero-days exploited by attackers (CVE-2024-21412, CVE-2024-21351) 2024-02-13 at 22:01 By Zeljka Zorz On February 2024 Patch Tuesday, Microsoft has delivered fixes for 72 CVE-numbered vulnerabilities, including two zero-days (CVE-2024-21412, CVE-2024-21351) that are being leveraged by attackers in the wild. About CVE-2024-21412 and CVE-2024-21351 CVE-2024-21412 allows attackers to bypass the Microsoft Defender SmartScreen

Microsoft patches two zero-days exploited by attackers (CVE-2024-21412, CVE-2024-21351) Read More »

A zero-day vulnerability (and PoC) to blind defenses relying on Windows event logs

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A zero-day vulnerability (and PoC) to blind defenses relying on Windows event logs 2024-01-31 at 18:31 By Zeljka Zorz A zero-day vulnerability that, when triggered, could crash the Windows Event Log service on all supported (and some legacy) versions of Windows could spell trouble for enterprise defenders. Discovered by a security researcher named Florian and

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Apple fixes actively exploited WebKit zero-day (CVE-2024-23222)

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Apple fixes actively exploited WebKit zero-day (CVE-2024-23222) 2024-01-23 at 13:46 By Helga Labus Apple has fixed an actively exploited zero-day vulnerability (CVE-2024-23222) that affects Macs, iPhones, iPads and AppleTVs. About CVE-2024-23222 CVE-2024-23222 is a type confusion issue that affects WebKit – Apple’s browser engine used in the Safari web browser and all iOS and iPadOS

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Google fixes actively exploited Chrome zero-day (CVE-2024-0519)

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Google fixes actively exploited Chrome zero-day (CVE-2024-0519) 2024-01-17 at 12:01 By Zeljka Zorz In the new stable release of the Chrome browser, Google has fixed three security vulnerabilities affecting the V8 engine, including one zero-day (CVE-2024-0519) with an existing exploit. About CVE-2024-0519 V8 is an open-source JavaScript and WebAssembly engine developed by the Chromium Project

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1,700 Ivanti VPN devices compromised. Are yours among them?

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1,700 Ivanti VPN devices compromised. Are yours among them? 2024-01-16 at 17:16 By Zeljka Zorz Over 1,700 Ivanti Connect Secure VPN devices worldwide have been compromised by attackers exploiting two zero-days with no patches currently available. “Additional threat actors beyond UTA0178 appear to now have access to the exploit and are actively trying to exploit

1,700 Ivanti VPN devices compromised. Are yours among them? Read More »

Ivanti Connect Secure zero-days exploited by attackers (CVE-2023-46805, CVE-2024-21887)

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Ivanti Connect Secure zero-days exploited by attackers (CVE-2023-46805, CVE-2024-21887) 2024-01-11 at 13:46 By Zeljka Zorz Two zero-day vulnerabilities (CVE-2023-46805, CVE-2024-21887) in Ivanti Connect Secure VPN devices are under active exploitation by unknown attackers, Volexity researchers have discovered. Patches for these flaws are currently unavailable, but the risk of exploitation can be mitigated by importing mitigation.release.20240107.1.xml

Ivanti Connect Secure zero-days exploited by attackers (CVE-2023-46805, CVE-2024-21887) Read More »

Apple patches two zero-days used to target iOS users (CVE-2023-42916 CVE-2023-42917)

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Apple patches two zero-days used to target iOS users (CVE-2023-42916 CVE-2023-42917) 01/12/2023 at 12:33 By Zeljka Zorz With the latest round of security updates, Apple has fixed two zero-day WebKit vulnerabilities (CVE-2023-42916, CVE-2023-42917) that “may have been exploited against versions of iOS before iOS 16.7.1.” About the vulnerabilities (CVE-2023-42916, CVE-2023-42917) CVE-2023-42916 is a out-of-bounds read

Apple patches two zero-days used to target iOS users (CVE-2023-42916 CVE-2023-42917) Read More »

MOVEit hackers leverage new zero-day bug to breach organizations (CVE-2023-47246)

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MOVEit hackers leverage new zero-day bug to breach organizations (CVE-2023-47246) 09/11/2023 at 18:01 By Helga Labus A critical zero-day vulnerability (CVE-2023-47246) in the SysAid IT support and management software solution is being exploited by Lace Tempest, a ransomware affiliate known for deploying Cl0p ransomware. Lace Tempest has previously exploited zero-day vulnerability (CVE-2023-34362) in Progress Software’s

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Roundcube webmail zero-day exploited to spy on government entities (CVE-2023-5631)

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Roundcube webmail zero-day exploited to spy on government entities (CVE-2023-5631) 25/10/2023 at 14:46 By Zeljka Zorz The Winter Vivern APT group has been exploiting a zero-day vulnerability (CVE-2023-5631) in Roundcube webmail servers to spy on email communications of European governmental entities and a think tank, according to ESET researchers. “Exploitation of the XSS vulnerability can

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“Disappearing” implants, followed by first fixes for exploited Cisco IOS XE zero-day

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“Disappearing” implants, followed by first fixes for exploited Cisco IOS XE zero-day 23/10/2023 at 13:04 By Zeljka Zorz Cisco has released the first fixes for the IOS XE zero-day (CVE-2023-20198) exploited by attackers to ultimately deliver a malicious implant. The fixes were made available on Sunday, but a curious thing happened the day before: several

“Disappearing” implants, followed by first fixes for exploited Cisco IOS XE zero-day Read More »

Citrix NetScaler bug exploited in the wild since August (CVE-2023-4966)

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Citrix NetScaler bug exploited in the wild since August (CVE-2023-4966) 18/10/2023 at 17:18 By Helga Labus A recently patched Citrix NetScaler ADC/Gateway information disclosure vulnerability (CVE-2023-4966) has been exploited by attackers in the wild since late August 2023, Mandiant researchers have revealed. About CVE-2023-4966 Citrix’s security advisory, published on October 10, says that the vulnerability

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Cisco IOS XE zero-day exploited by attackers to deliver implant (CVE-2023-20198)

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Cisco IOS XE zero-day exploited by attackers to deliver implant (CVE-2023-20198) 16/10/2023 at 22:33 By Zeljka Zorz A previously unknown vulnerability (CVE-2023-20198) affecting networking devices running Cisco IOS XE software is being exploited by a threat actor to take control of the devices and install an implant, Cisco Talos researchers have warned today. About CVE-2023-20198

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October 2023 Patch Tuesday forecast: Operating system updates and zero-days aplenty

0-day, apple, Chrome, CVE, Don't miss, Expert analysis, Google, Hot stuff, Ivanti, Microsoft, Mozilla, Patch Tuesday, predictions /

October 2023 Patch Tuesday forecast: Operating system updates and zero-days aplenty 06/10/2023 at 07:47 By Help Net Security September has been a packed month of continuous updates. New operating systems were released from Apple and Microsoft, and several vulnerabilities exploited in web services resulted in a domino effect of zero-day releases for many vendors. If

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Apple patches another iOS zero-day under attack (CVE-2023-42824)

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Apple patches another iOS zero-day under attack (CVE-2023-42824) 05/10/2023 at 13:47 By Helga Labus Apple has released a security update for iOS and iPadOS to fix another zero-day vulnerability (CVE-2023-42824) exploited in the wild. About the vulnerability (CVE-2023-42824) CVE-2023-42824 is a kernel vulnerability that could allow a local threat actor to elevate its privileges on

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Critical Atlassian Confluence zero-day exploited by attackers (CVE-2023-22515)

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Critical Atlassian Confluence zero-day exploited by attackers (CVE-2023-22515) 05/10/2023 at 13:02 By Helga Labus Atlassian has fixed a critical zero-day vulnerability (CVE-2023-22515) in Confluence Data Center and Server that is being exploited in the wild. “Atlassian has been made aware of an issue reported by a handful of customers where external attackers may have exploited

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