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  • Heap Buffer Overflow Vulnerability found in Kaspersky Antivirus Engine

Heap Buffer Overflow Vulnerability found in Kaspersky Antivirus Engine

Pierluigi Paganini May 10, 2019

Security researchers at the Imaginary team discovered a Heap Buffer Overflow Vulnerability in Kaspersky Antivirus Engine and responsibly reported it.

Security experts at the Imaginary team discovered a Heap Buffer Overflow vulnerability in Kaspersky Antivirus Engine.

The flaw tracked as CVE-2019-8285 affects Kaspersky Lab Antivirus Engine version before 04.apr.2019 and potentially allows arbitrary code execution.

“Kaspersky Anti-Virus Engine is prone to a heap-based buffer-overflow vulnerability because it fails to perform adequate boundary-checks on user-supplied data.” reads the security advisory,

“Attackers can exploit this issue to execute arbitrary code within the context of the application. Given the nature of this issue, attackers may also be able to cause a denial-of-service condition, but this has not been confirmed.”

The heap buffer overflow vulnerability received a CVSSv3 Score 8.0. 

Kaspersky Antivirus Engine

According to the security advisory published by Kaspersky Lab the issue could potentially allow third-parties to remotely execute arbitrary code on a user’s PC with system privileges.

Kaspersky deployed the fix to Kaspersky Lab customers on 4th April, 2019 through a product update.

“This issue was classified as heap-based buffer overflow vulnerability. Memory corruption during JS file scan could lead to execution of arbitrary code on a user machine.” reads the advisory published by Kaspersky Lab. 

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Pierluigi Paganini

(SecurityAffairs – Kaspersky Antivirus, hacking)

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