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CVE-2019-10914

Published: 8 April 2019

pubRsaDecryptSignedElementExt in MatrixSSL 4.0.1 Open, as used in Inside Secure TLS Toolkit, has a stack-based buffer overflow during X.509 certificate verification because of missing validation in psRsaDecryptPubExt in crypto/pubkey/rsa_pub.c.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
matrixssl
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was not-affected [code not present])
upstream Needs triage

xenial Does not exist

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H