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Ubuntu 14.04 LTS : NBD vulnerabilities (USN-2676-1)

high Nessus Plugin ID 84958

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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-2676-1 advisory.

 It was discovered that NBD incorrectly handled IP address matching. A remote attacker could use this issue with an IP address that has a partial match and bypass access restrictions. This issue only affected Ubuntu 12.04 LTS. (CVE-2013-6410)

 Tuomas Rsnen discovered that NBD incorrectly handled wrong export names and closed connections during negotiation. A remote attacker could use this issue to cause NBD to crash, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS. (CVE-2013-7441)

 Tuomas Rsnen discovered that NBD incorrectly handled signals. A remote attacker could use this issue to cause NBD to crash, resulting in a denial of service. (CVE-2015-0847)

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 nbd-client, nbd-client-udeb and / or nbd-server packages.

See Also

https://ubuntu.com/security/notices/USN-2676-1

Plugin Details

Severity: High

ID: 84958

File Name: ubuntu_USN-2676-1.nasl

Version: 2.12

Type: local

Agent: unix

Published: 7/23/2015

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2013-6410

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

CVSS Score Source: CVE-2015-0847

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:nbd-server, p-cpe:/a:canonical:ubuntu_linux:nbd-client, p-cpe:/a:canonical:ubuntu_linux:nbd-client-udeb

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/22/2015

Vulnerability Publication Date: 12/7/2013

Reference Information

CVE: CVE-2013-6410, CVE-2013-7441, CVE-2015-0847

BID: 64002, 74557, 74808

USN: 2676-1