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Attackers exploiting Apache ActiveMQ flaw to deliver ransomware (CVE-2023-46604)

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Attackers exploiting Apache ActiveMQ flaw to deliver ransomware (CVE-2023-46604) 02/11/2023 at 17:01 By Zeljka Zorz Ransomware-wielding attackers are trying to break into servers running outdated versions of Apache ActiveMQ by exploiting a recently fixed vulnerability (CVE-2023-46604). “Beginning Friday, October 27, Rapid7 Managed Detection and Response (MDR) identified suspected exploitation of Apache ActiveMQ CVE-2023-46604 in two […]

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Atlassian patches critical Confluence bug, urges for immediate action (CVE-2023-22518)

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Atlassian patches critical Confluence bug, urges for immediate action (CVE-2023-22518) 31/10/2023 at 13:16 By Zeljka Zorz Atlassian is urging enterprise administrators to update their on-premises Confluence Data Center and Server installations quickly to plug a critical security vulnerability (CVE-2023-22518) that could lead to “significant data loss if exploited by an unauthenticated attacker.” About CVE-2023-22518 CVE-2023-22518

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VMware patches critical vulnerability in vCenter Server (CVE-2023-34048)

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VMware patches critical vulnerability in vCenter Server (CVE-2023-34048) 25/10/2023 at 13:47 By Helga Labus VMware has fixed a critical out-of-bounds write vulnerability (CVE-2023-34048) and a moderate-severity information disclosure flaw (CVE-2023-34056) in vCenter Server, its popular server management software. About CVE-2023-34048 and CVE-2023-34056 CVE-2023-34048 allows an attacker with network access to a vulnerable vCenter Server virtual

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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

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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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Valve introduces SMS-based confirmation to prevent malicious games on Steam

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Valve introduces SMS-based confirmation to prevent malicious games on Steam 17/10/2023 at 16:32 By Helga Labus Video game publisher/digital distribution company Valve is forcing developers who publish games on its Steam platform to “validate” new builds with a confirmation code received via SMS. The Steam SMS confirmation requirement Valve sent out notices last month to

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Curl project squashes high-severity bug in omnipresent libcurl library (CVE-2023-38545)

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Curl project squashes high-severity bug in omnipresent libcurl library (CVE-2023-38545) 11/10/2023 at 13:31 By Zeljka Zorz Curl v8.4.0 is out, and fixes – among other things – a high-severity SOCKS5 heap buffer overflow vulnerability (CVE-2023-38545). Appropriate patches for some older curl versions have been released, too. Preparation for the security updates A little over a

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Microsoft plugs exploited WordPad, Skype for Business zero-days (CVE-2023-36563, CVE-2023-41763)

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Microsoft plugs exploited WordPad, Skype for Business zero-days (CVE-2023-36563, CVE-2023-41763) 10/10/2023 at 22:01 By Zeljka Zorz On this October 2023 Patch Tuesday, Microsoft has released 103 patches and has fixed three actively exploited vulnerabilities (CVE-2023-36563, CVE-2023-41763, CVE-2023-44487). The exploited zero-days (CVE-2023-36563, CVE-2023-41763, CVE-2023-44487) CVE-2023-36563, discovered by Microsoft Threat Intelligence, is a WordPad vulnerability that could

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Be prepared to patch high-severity vulnerability in curl and libcurl

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Be prepared to patch high-severity vulnerability in curl and libcurl 10/10/2023 at 12:20 By Zeljka Zorz Details about two vulnerabilities (CVE-2023-38545, CVE-2023-38546) in curl, a foundational and widely used open-source software for data transfer via URLs, are to be released on Wednesday, October 11. Daniel Stenberg, the original author and lead developer, has said that

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“Looney Tunables” bug allows root access on Linux distros (CVE-2023-4911)

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“Looney Tunables” bug allows root access on Linux distros (CVE-2023-4911) 05/10/2023 at 16:17 By Zeljka Zorz A vulnerability (CVE-2023-4911) in the GNU C Library (aka “glibc”) can be exploited by attackers to gain root privileges on many popular Linux distributions, according to Qualys researchers. About CVE-2023-4911 Dubbed “Looney Tunables”, CVE-2023-4911 is a buffer overflow vulnerability

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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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Qualcomm patches 3 actively exploited zero-days

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Qualcomm patches 3 actively exploited zero-days 04/10/2023 at 16:46 By Helga Labus Qualcomm has fixed three actively exploited vulnerabilities (CVE-2023-33106, CVE-2023-33107, CVE-2023-33063) in its Adreno GPU and Compute DSP drivers. Vulnerabilities exploited in Qualcomm GPU and DSP drivers The US-based semiconductor company has been notified by Google Threat Analysis Group and Google Project Zero that

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Zero-day in Arm GPU drivers exploited in targeted attacks (CVE-2023-4211)

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Zero-day in Arm GPU drivers exploited in targeted attacks (CVE-2023-4211) 03/10/2023 at 14:16 By Zeljka Zorz A vulnerability (CVE-2023-4211) in the kernel drivers for several Mali GPUs “may be under limited, targeted exploitation,” British semiconductor manufacturer Arm has confirmed on Monday, when it released drivers updated with patches. Arm’s Mali GPUs are used on a

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Critical zero-days in Exim revealed, only 3 have been fixed

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Critical zero-days in Exim revealed, only 3 have been fixed 02/10/2023 at 17:03 By Zeljka Zorz Six zero-days in Exim, the most widely used mail transfer agent (MTA), have been revealed by Trend Micro’s Zero Day Initiative (ZDI) last Wednesday. Due to what seems to be insufficient information and poor communication, fixes for only three

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Critical vulnerability in WS_FTP Server exploited by attackers (CVE-2023-40044)

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Critical vulnerability in WS_FTP Server exploited by attackers (CVE-2023-40044) 02/10/2023 at 14:17 By Helga Labus Progress Software, the company behind the recently hacked MOVEit file-sharing tool, has recently fixed two critical vulnerabilities (CVE-2023-40044, CVE-2023-42657) in WS_FTP Server, another popular secure file transfer solution. Proof-of-concept code for CVE-2023-40044 has been available since Friday, and Rapid7 researchers

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Yet another Chrome zero-day exploited in the wild! (CVE-2023-5217)

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Yet another Chrome zero-day exploited in the wild! (CVE-2023-5217) 28/09/2023 at 14:47 By Helga Labus Google has fixed another critical zero-day vulnerability (CVE-2023-5217) in Chrome that is being exploited in the wild. About CVE-2023-5217 The vulnerability is caused by a heap buffer overflow in vp8 encoding in libvpx – a video codec library from Google

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GitLab fixes critical vulnerability, patch now! (CVE-2023-5009)

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GitLab fixes critical vulnerability, patch now! (CVE-2023-5009) 22/09/2023 at 13:31 By Helga Labus GitLab has fixed a critical vulnerability (CVE-2023-5009) in the Enterprise Edition (EE) and Community Edition (CE) of its widely used DevOps platform. They flaw may allow a threat actor to abuse scan execution policies to run pipelines as another user. About the

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Apple fixes 3 zero-day vulnerabilities exploited to compromise iPhones

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Apple fixes 3 zero-day vulnerabilities exploited to compromise iPhones 22/09/2023 at 13:19 By Zeljka Zorz Apple has released updates for iOS and iPadOS, macOS, watchOS, and Safari to fix three zero-day vulnerabilities (CVE-2023-41992, CVE-2023-41991, CVE-2023-41993) exploited “against versions of iOS before iOS 16.7.” Bill Marczak of The Citizen Lab at The University of Toronto’s Munk

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Critical Trend Micro vulnerability exploited in the wild (CVE-2023-41179)

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Critical Trend Micro vulnerability exploited in the wild (CVE-2023-41179) 21/09/2023 at 11:46 By Zeljka Zorz Trend Micro has fixed a critical zero-day vulnerability (CVE-2023-41179) in several of its endpoint security products for enterprises that has been spotted being exploited in the wild. About CVE-2023-41179 The nature of the flaw hasn’t been revealed, but we know

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