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Ubuntu 14.04 LTS : OpenSSL vulnerabilities (USN-2385-1)

critical Nessus Plugin ID 78538

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 14.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-2385-1 advisory.

 It was discovered that OpenSSL incorrectly handled memory when parsing DTLS SRTP extension data. A remote attacker could possibly use this issue to cause OpenSSL to consume resources, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2014-3513)

 It was discovered that OpenSSL incorrectly handled memory when verifying the integrity of a session ticket. A remote attacker could possibly use this issue to cause OpenSSL to consume resources, resulting in a denial of service. (CVE-2014-3567)

 In addition, this update introduces support for the TLS Fallback Signaling Cipher Suite Value (TLS_FALLBACK_SCSV). This new feature prevents protocol downgrade attacks when certain applications such as web browsers attempt to reconnect using a lower protocol version for interoperability reasons.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-2385-1

Plugin Details

Severity: Critical

ID: 78538

File Name: ubuntu_USN-2385-1.nasl

Version: 1.18

Type: local

Agent: unix

Published: 10/17/2014

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

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

CVSS Score Source: CVE-2014-3567

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libcrypto1.0.0-udeb, p-cpe:/a:canonical:ubuntu_linux:openssl, p-cpe:/a:canonical:ubuntu_linux:libssl1.0.0-udeb, p-cpe:/a:canonical:ubuntu_linux:libssl1.0.0, p-cpe:/a:canonical:ubuntu_linux:libssl-dev

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Ease: No known exploits are available

Patch Publication Date: 10/16/2014

Vulnerability Publication Date: 10/18/2014

Reference Information

CVE: CVE-2014-3513, CVE-2014-3567

BID: 70584, 70586

USN: 2385-1