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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
30

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

EPSS

0.053

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

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

EPSS

0.053

Percentile

93.1%

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