Cisco Headend System Release UDP Traffic resource management

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in Cisco Headend System Release and classified as problematic. This vulnerability affects unknown code of the component UDP Traffic Handler. The manipulation leads to resource management. This vulnerability is uniquely identified as CVE-2015-0743. No exploit exists. It is recommended to apply restrictive firewalling.

Detailsinfo

A vulnerability was found in Cisco Headend System Release (the affected version unknown). It has been rated as problematic. This issue affects an unknown part of the component UDP Traffic Handler. The manipulation with an unknown input 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 Headend System Release allows remote attackers to cause a denial of service (DHCP and TFTP outage) via a flood of crafted UDP traffic, aka Bug ID CSCus04097.

The weakness was disclosed 05/30/2015 as CSCus04097 as confirmed advisory (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2015-0743 since 01/07/2015. 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.

Addressing this vulnerability is possible by firewalling UDP Ports.

The vulnerability is also documented in the vulnerability database at X-Force (103554). The entries VDB-75619 and VDB-75616 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.7

VulDB Base Score: 5.3
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Firewalling: 🔍

Timelineinfo

01/07/2015 🔍
05/30/2015 +143 days 🔍
05/30/2015 +0 days 🔍
05/31/2015 +1 days 🔍
05/19/2022 +2545 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCus04097
Status: Confirmed

CVE: CVE-2015-0743 (🔍)
GCVE (CVE): GCVE-0-2015-0743
GCVE (VulDB): GCVE-100-75617
X-Force: 103554 - Cisco Headend System UDP TFTP and DHCP denial of service
SecurityTracker: 1032445

See also: 🔍

Entryinfo

Created: 05/31/2015 14:34
Updated: 05/19/2022 16:26
Changes: 05/31/2015 14:34 (41), 04/03/2019 08:15 (12), 05/19/2022 16:26 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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