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gentooGentoo FoundationGLSA-201612-53
HistoryDec 31, 2016 - 12:00 a.m.

CyaSSL: Multiple vulnerabilities

2016-12-3100:00:00
Gentoo Foundation
security.gentoo.org
29

7.5 High

CVSS2

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.053 Low

EPSS

Percentile

93.1%

Background

CyaSSL is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud.

Description

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

Impact

An attacker could possibly execute arbitrary code with the privileges of the process, cause a Denial of Service condition, or conduct a man-in-the-middle attack.

Workaround

There is no known workaround at this time.

Resolution

Upstream has discontinued the software in favor of wolfSSL. Therefore, the CyaSSL package has been removed from the Gentoo repository and current users are advised to unmerge the package.

 # emerge --unmerge "net-libs/cyassl"
OSVersionArchitecturePackageVersionFilename
Gentooanyallnet-libs/cyassl<= 2.9.4UNKNOWN

7.5 High

CVSS2

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.053 Low

EPSS

Percentile

93.1%

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