Cisco IOS XE up to 3.4SG.2 TFTP UDP Traffic resource management

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Cisco IOS XE up to 3.4SG.2. The affected element is an unknown function of the component TFTP Handler. The manipulation as part of UDP Traffic leads to resource management. This vulnerability is traded as CVE-2013-6704. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cisco IOS XE up to 3.4SG.2 (Router Operating System). This issue affects an unknown functionality of the component TFTP Handler. The manipulation as part of a UDP Traffic leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

Cisco IOS XE does not properly manage memory for TFTP UDP flows, which allows remote attackers to cause a denial of service (memory consumption) via TFTP (1) client or (2) server traffic, aka Bug IDs CSCuh09324 and CSCty42686.

The weakness was shared 12/03/2013 as CSCuh09324 / CSCty42686 as confirmed advisory (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2013-6704 since 11/07/2013. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 71924 (Cisco IOS XE Software TFTP DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (71924), OSVDB (100520†) and Vulnerability Center (SBV-42455†). tools.cisco.com is providing further details. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 71924
Nessus Name: Cisco IOS XE Software TFTP DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

11/07/2013 🔍
12/03/2013 +26 days 🔍
12/03/2013 +0 days 🔍
12/03/2013 +0 days 🔍
12/03/2013 +0 days 🔍
12/04/2013 +1 days 🔍
12/05/2013 +1 days 🔍
01/13/2014 +39 days 🔍
06/02/2021 +2697 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCuh09324 / CSCty42686
Status: Confirmed

CVE: CVE-2013-6704 (🔍)
GCVE (CVE): GCVE-0-2013-6704
GCVE (VulDB): GCVE-100-11369
OSVDB: 100520
SecurityTracker: 1029424
Vulnerability Center: 42455 - Cisco IOS XE Remote DoS Vulnerability via TFTP Client or Server Traffic, Medium

scip Labs: https://www.scip.ch/en/?labs.20150108
Misc.: 🔍

Entryinfo

Created: 12/05/2013 10:32
Updated: 06/02/2021 16:11
Changes: 12/05/2013 10:32 (46), 05/16/2017 04:38 (22), 06/02/2021 16:05 (3), 06/02/2021 16:11 (1)
Complete: 🔍
Cache ID: 216:A8D:103

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