Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2020-8437
CVE-2020-8437:
uTorrent vulnerability analysis and mitigation
Overview
The CVE-2020-8437 vulnerability affects BitTorrent uTorrent through version 3.5.5 (build 45505). The vulnerability is related to the bencoding parser in uTorrent which misparses nested bencoded dictionaries (CVE Details, NVD).
Technical details
The vulnerability stems from a flaw in the bencoding parser's handling of nested dictionaries. When processing these nested structures, the parser fails to properly handle the data, leading to potential parsing errors. The vulnerability has been assigned a CVSS v3 Base Score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H), indicating a high severity issue with network-based attack vector and no required privileges or user interaction (SANS Risk).
Impact
When exploited, this vulnerability allows remote attackers to cause a denial of service condition in the affected uTorrent application. This means that attackers can potentially disrupt the normal operation of the software, making it unavailable to legitimate users (CVE Details).
Mitigation and workarounds
The vulnerability was addressed in subsequent versions of uTorrent. Users are recommended to upgrade to a version newer than 3.5.5 (build 45505) to protect against this vulnerability (uTorrent Release Notes).
Additional resources
Source: This report was generated using AI
Related uTorrent vulnerabilities:
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