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Threat Source newsletter (April 20, 2023) — Preview of Cisco and Talos at RSA

Heading to San Francisco next week? Here are all the Talos and Cisco Secure talks and events you won't want to miss.

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CVE-2022-48424

In the Linux kernel before 6.1.3, fs/ntfs3/inode.c does not validate the attribute name offset. An unhandled page fault may occur.

CVE-2022-21646: unexpected expand/lookup behaviour with wildcard permissions · Issue #358 · authzed/spicedb

SpiceDB is a database system for managing security-critical application permissions. Any user making use of a wildcard relationship under the right hand branch of an `exclusion` or within an `intersection` operation will see `Lookup`/`LookupResources` return a resource as "accessible" if it is *not* accessible by virtue of the inclusion of the wildcard in the intersection or the right side of the exclusion. In `v1.3.0`, the wildcard is ignored entirely in lookup's dispatch, resulting in the `banned` wildcard being ignored in the exclusion. Version 1.4.0 contains a patch for this issue. As a workaround, don't make use of wildcards on the right side of intersections or within exclusions.

CVE-2022-21646: unexpected expand/lookup behaviour with wildcard permissions · Issue #358 · authzed/spicedb

SpiceDB is a database system for managing security-critical application permissions. Any user making use of a wildcard relationship under the right hand branch of an `exclusion` or within an `intersection` operation will see `Lookup`/`LookupResources` return a resource as "accessible" if it is *not* accessible by virtue of the inclusion of the wildcard in the intersection or the right side of the exclusion. In `v1.3.0`, the wildcard is ignored entirely in lookup's dispatch, resulting in the `banned` wildcard being ignored in the exclusion. Version 1.4.0 contains a patch for this issue. As a workaround, don't make use of wildcards on the right side of intersections or within exclusions.

Accidental VirusTotal upload is a valuable reminder to double check what you share

Categories: Business Tags: upload Tags: download Tags: share Tags: data Tags: intelligence Tags: google Tags: virustotal Tags: social media Tags: sharing Tags: document Tags: file Tags: files We take a look at reports of a document being accidentally shared to the VirusTotal service and potentially exposing names and email addresses in the security and intelligence community. (Read more...) The post Accidental VirusTotal upload is a valuable reminder to double check what you share appeared first on Malwarebytes Labs.

Microsoft Releases Fix for Zero-Day Flaw in July 2022 Security Patch Rollout

Microsoft released its monthly round of Patch Tuesday updates to address 84 new security flaws spanning multiple product categories, counting a zero-day vulnerability that's under active attack in the wild. Of the 84 shortcomings, four are rated Critical, and 80 are rated Important in severity. Also separately resolved by the tech giant are two other bugs in the Chromium-based Edge browser, one

CVE-2019-14898

The fix for CVE-2019-11599 was not complete. A local user could use this flaw to obtain sensitive information, cause a denial of service, or possibly have other unspecified impacts by triggering a race condition with mmget_not_zero or get_task_mm calls.

iOS 16 Has Two New Security Features for Worst-Case Scenarios

Safety Check and Lockdown Mode give people in vulnerable situations ways to quarantine themselves from acute risks.

Intel Responds to ‘Downfall’ Attack with Firmware Updates, Urges Mitigation

By Habiba Rashid New Intel Processor Vulnerability "Downfall" Discovered: Threats to Data Security Amplify This is a post from HackRead.com Read the original post: Intel Responds to ‘Downfall’ Attack with Firmware Updates, Urges Mitigation

GHSA-hq7w-xv5x-g34j: Microsoft Security Advisory CVE-2024-38081 | .NET Denial of Service Vulnerability

# Microsoft Security Advisory CVE-2024-38081 | .NET Denial of Service Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 6.0 . This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A Vulnerability exist in Visual Studio installer on Windows OS where an unprivileged user is allowed to manipulate the Visual Studio installation resulting in elevation of privilege. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/313 ## <a name="mitigation-factors"></a>Mitigation factors Microsoft has not identified any mitigating factors for this vulnerability. ## <a name="affected-software"></a>Affected software * Any .NET 6.0 application running on .NET 6.0.31 or earlier. ## <a name="affected-packages"></a>Affected Packages The vulnerability affects any Mi...