var-201705-3994
Vulnerability from variot

An issue was discovered in certain Apple products. macOS before 10.12.5 is affected. The issue involves the "HFS" component. It allows attackers to bypass intended memory-read restrictions via a crafted app. Apple OS X of HFS A component contains a vulnerability that bypasses memory read restrictions.An attacker could bypass the memory read limit through a crafted application. This vulnerability allows local attackers to disclose sensitive information on vulnerable installations of Apple macOS. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.The specific flaw exists within the handling of HFS. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges in the context of the kernel. Apple macOS is prone to multiple security vulnerabilities. An attacker can exploit these issues to gain elevated privileges, perform unauthorized actions and execute arbitrary code with kernel privileges. Failed exploit attempts will likely cause a denial-of-service condition. Apple macOS Sierra is a dedicated operating system developed by Apple for Mac computers. HFS is one of the network file upload components

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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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