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[email protected]CVE-2020-8437

HistoryMar 02, 2020 - 7:15 p.m.

CVE-2020-8437

2020-03-0219:15:00

CWE-476

[email protected]

web.nvd.nist.gov

cve-2020-8437

bittorrent

utorrent

build 45505

bencoding parser

denial of service

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.4 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.009 Low

EPSS

Percentile

82.1%

JSON

The bencoding parser in BitTorrent uTorrent through 3.5.5 (build 45505) misparses nested bencoded dictionaries, which allows a remote attacker to cause a denial of service.

CPENameOperatorVersion
bittorrent:utorrentbittorrent utorrentle3.5.5

CPE	Name	Operator	Version
bittorrent:utorrent	bittorrent utorrent	le	3.5.5

References

blog.whtaguy.com/2020/09/utorrent-cve-2020-8437-vulnerability.html

forum.utorrent.com/forum/13-announcements/

twitter.com/va_start

utclient.utorrent.com/offers/beta_release_notes/release_notes.html

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.4 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.009 Low

EPSS

Percentile

82.1%

JSON

Related for CVE-2020-8437

prion1