openSUSE Security Update : mbedtls (openSUSE-2018-186)

critical Nessus Plugin ID 106918

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Synopsis

The remote openSUSE host is missing a security update.

Description

This update for mbedtls fixes the following issues :

- CVE-2018-0487: Fixed a buffer overflow in RSASSA-PSS signature verification, which allowed remote attackers to execute arbitrary code or cause a denial of service via a crafted certificate chain. (boo#1080826)

- CVE-2018-0488: Fixed a heap vulnerability, which allowed remote attackers to execute arbitrary code or cause a DoS via a crafted application packet when the truncated HMAC extension and CBC are used. (boo#1080828)

- CVE-2017-18187: Fixed bound check in ssl_parse_client_psk_identity(), which might lead to an overflow. (boo#1080973)

Solution

Update the affected mbedtls packages.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=1080826

https://bugzilla.opensuse.org/show_bug.cgi?id=1080828

https://bugzilla.opensuse.org/show_bug.cgi?id=1080973

Plugin Details

Severity: Critical

ID: 106918

File Name: openSUSE-2018-186.nasl

Version: 3.5

Type: local

Agent: unix

Published: 2/21/2018

Updated: 1/19/2021

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:libmbedtls9-32bit, p-cpe:/a:novell:opensuse:libmbedtls9, p-cpe:/a:novell:opensuse:libmbedtls9-debuginfo-32bit, p-cpe:/a:novell:opensuse:mbedtls-devel, p-cpe:/a:novell:opensuse:libmbedtls9-debuginfo, p-cpe:/a:novell:opensuse:mbedtls-debugsource, cpe:/o:novell:opensuse:42.3

Required KB Items: Host/local_checks_enabled, Host/SuSE/release, Host/SuSE/rpm-list, Host/cpu

Patch Publication Date: 2/20/2018

Reference Information

CVE: CVE-2017-18187, CVE-2018-0487, CVE-2018-0488