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gentooGentoo FoundationGLSA-201804-19
HistoryApr 22, 2018 - 12:00 a.m.

mbed TLS: Multiple vulnerabilites

2018-04-2200:00:00
Gentoo Foundation
security.gentoo.org
68

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.069

Percentile

93.9%

Background

mbed TLS (previously PolarSSL) is an “easy to understand, use, integrate and expand” implementation of the TLS and SSL protocols and the respective cryptographic algorithms and support code required.

Description

Multiple vulnerabilities have been discovered in mbed TLS. Please review the CVE identifiers referenced below for details.

Impact

A remote attacker, through multiple vectors, could possibly execute arbitrary code with the privileges of the process or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All mbed TLS users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-libs/mbedtls-2.7.2"
OSVersionArchitecturePackageVersionFilename
Gentooanyallnet-libs/mbedtls< 2.7.2UNKNOWN

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.069

Percentile

93.9%