Cisco IOS Software TFTP DoS (cisco-sa-20150722-tftp)

high Nessus Plugin ID 85124

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Synopsis

The remote device is missing a vendor-supplied security patch.

Description

According to its self-reported version, the Cisco IOS software running on the remote device is affected by a denial of service vulnerability in the TFTP server functionality due to incorrect management of memory when handling TFTP requests. A remote, unauthenticated attacker can exploit this by sending a large amount of TFTP requests to cause the remote device to reload or hang, resulting in a denial of service condition.

Solution

Apply the relevant patch referenced in Cisco Security Advisory cisco-sa-20150722-tftp.

Plugin Details

Severity: High

ID: 85124

File Name: cisco-sa-20150722-tftp-ios.nasl

Version: 1.15

Type: combined

Family: CISCO

Published: 7/30/2015

Updated: 11/22/2019

Supported Sensors: 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

Vulnerability Information

CPE: cpe:/o:cisco:ios

Required KB Items: Host/Cisco/IOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 7/22/2015

Vulnerability Publication Date: 7/22/2015

Reference Information

CVE: CVE-2015-0681

BID: 75995

CISCO-SA: cisco-sa-20150722-tftp

CISCO-BUG-ID: CSCts66733

Detections

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