Executive Summary
Summary | |
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Title | Cisco IOS Software Crafted Network Time Protocol Packets Denial of Service Vulnerability |
Informations | |||
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Name | cisco-sa-20160804-wedge | First vendor Publication | 2016-08-04 |
Vendor | Cisco | Last vendor Modification | 2016-08-04 |
Severity (Vendor) | N/A | Revision | 1.0 |
Security-Database Scoring CVSS v3
Cvss vector : N/A | |||
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Overall CVSS Score | NA | ||
Base Score | NA | Environmental Score | NA |
impact SubScore | NA | Temporal Score | NA |
Exploitabality Sub Score | NA | ||
Calculate full CVSS 3.0 Vectors scores |
Security-Database Scoring CVSS v2
Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:C) | |||
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Cvss Base Score | 7.8 | Attack Range | Network |
Cvss Impact Score | 6.9 | Attack Complexity | Low |
Cvss Expoit Score | 10 | Authentication | None Required |
Calculate full CVSS 2.0 Vectors scores |
Detail
A vulnerability in the processing of Network Time Protocol (NTP) packets by Cisco IOS could allow an unauthenticated, remote attacker to cause an interface wedge and an eventual denial of service (DoS) condition on the affected device. The vulnerability is due to insufficient checks on clearing the invalid NTP packets from the interface queue. An attacker could exploit this vulnerability by sending a number of crafted NTP packets to be processed by an affected device. An exploit could allow the attacker to cause an interface wedge and an eventual denial of service (DoS) condition on the affected device. Cisco released software updates that address this vulnerability. There are no workarounds that address this vulnerability; however, there is a mitigation for this vulnerability. This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160804-wedge BEGIN PGP SIGNATURE Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJXoyuaAAoJEK89gD3EAJB5jS0QALlocwEtAhJ6ELVX3IT6HAC5 FKlc3zknV5KswMHqsbDjQsD2GAfEntDoO8Riu78lWSexO99Pu/VfRafKUJKcHEUo wBYQQ33X4sLEgGXMIXUbAxMFCpAxdlIuEzevo8HUj+LiMZWZNN1UJOpsFzBZGx3Q b6XNpGnMup88326DIcTJwUo3DGs7jAPvidlBjS5VPHqE43hvMy7FCqBTMQXdE7E3 6xVR9A8E4BdVPy/WyBjKI5TVOvaB2qoPYaaLmdzvsGaM5LnVw1qPFLwe1xY7dI9m +P+iN5ruvY9GM1WzJL8Yt7ngKmIbr7VC7vQc0kRPe9Mk+ZsuibR4Se12RADvdYfB CTYeDNES93fV1KxdGNFy2+XJSIcK3VYusto4sTRcKLmUfkHd/ahXNjuoGoqkvFYD +wq+1GylK2EUvOThjPEGuBgEG8HaNnp0UaYHqKCcUEzayCthygv0oN2Xiy4cEoJb 002reFlEN8s2puJknuEpcywoWNMOGFWSf2jN2kL4mHo6WIldQJqTOy7DHNLLt9UA aZNXUzhFavF6KXrAMQ3DiTx0nwV9CVaJq9yvyC1iXDA/ySvkHERoODpP7epmhMqW FZTfAxeusPbktEMeAXThVj/SrkwCmzlrvs+pzk8kAa1ycz/7nJkHENiDCLlUk+zR fapmFudsB1x/rUftQUNf =4KvY END PGP SIGNATURE _______________________________________________ cust-security-announce mailing list cust-security-announce@cisco.com To unsubscribe, send the command "unsubscribe" in the subject of your message to cust-security-announce-leave@cisco.com |
Original Source
Url : http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco (...) |
CWE : Common Weakness Enumeration
% | Id | Name |
---|---|---|
100 % | CWE-20 | Improper Input Validation |
CPE : Common Platform Enumeration
Type | Description | Count |
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Os | 4 |
Snort® IPS/IDS
Date | Description |
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2016-08-17 | Cisco IOS truncated NTP packet processing denial of service attempt RuleID : 39878 - Revision : 4 - Type : SERVER-OTHER |
Nessus® Vulnerability Scanner
Date | Description |
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2016-08-29 | Name : The remote device is missing a vendor-supplied security patch. File : cisco-sa-20160804-wedge-ios.nasl - Type : ACT_GATHER_INFO |
2016-08-29 | Name : The remote device is missing a vendor-supplied security patch. File : cisco-sa-20160804-wedge-iosxe.nasl - Type : ACT_GATHER_INFO |
Alert History
Date | Informations |
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2016-08-30 13:21:27 |
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2016-08-11 17:24:26 |
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2016-08-08 09:25:32 |
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2016-08-04 21:23:55 |
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