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CVE-2019-20925

Published: 24 November 2020

An unauthenticated client can trigger denial of service by issuing specially crafted wire protocol messages, which cause the message decompressor to incorrectly allocate memory. This issue affects: MongoDB Inc. MongoDB Server v4.2 versions prior to 4.2.1; v4.0 versions prior to 4.0.13; v3.6 versions prior to 3.6.15; v3.4 versions prior to 3.4.24.

Notes

AuthorNote
msalvatore
Introduced by https://github.com/mongodb/mongo/commit/91800fc61913358350b658406065c5d893d2ba2c

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
mongodb
Launchpad, Ubuntu, Debian
bionic
Released (1:3.6.3-0ubuntu1.4)
focal
Released (1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3)
groovy Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

kinetic Does not exist

precise Does not exist

trusty Needs triage

upstream
Released (3.6.15, 4.0.13, 4.2.1, 4.3.1, 3.4.24)
xenial Not vulnerable
(code not present)
Patches:
upstream: https://github.com/mongodb/mongo/commit/c1a956e084d39e6da75cd347e63d0064ed9151a8

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H