VDB-101548 · CVE-2017-6630 · BID 98533

Cisco IP Phone 8851 11.0(0.1) Session Initiation Protocol SIP Message resource management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IP Phone 8851 11.0(0.1). It has been declared as problematic. The impacted element is an unknown function of the component Session Initiation Protocol. Executing a manipulation as part of SIP Message can lead to resource management. This vulnerability appears as CVE-2017-6630. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic was found in Cisco IP Phone 8851 11.0(0.1) (IP Phone Software). This vulnerability affects some unknown processing of the component Session Initiation Protocol. The manipulation as part of a SIP Message leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:

A vulnerability in the Session Initiation Protocol (SIP) implementation of Cisco IP Phone 8851 11.0(0.1) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to an abnormal SIP message. An attacker could exploit this vulnerability by manipulating the CANCEL packet. An exploit could allow the attacker to cause a disruption of service to the phone. Cisco Bug IDs: CSCvc34795.

The bug was discovered 05/17/2017. The weakness was presented 05/22/2017 as cisco-sa-20170517-sip as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2017-6630 since 03/09/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 98533†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 103403
OpenVAS Name: Cisco IP Phone 8851 Session Initiation Protocol Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/09/2017 🔍
05/17/2017 +69 days 🔍
05/17/2017 +0 days 🔍
05/21/2017 +4 days 🔍
05/22/2017 +1 days 🔍
05/22/2017 +0 days 🔍
12/25/2020 +1313 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20170517-sip
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6630 (🔍)
GCVE (CVE): GCVE-0-2017-6630
GCVE (VulDB): GCVE-100-101548
SecurityFocus: 98533 - Cisco IP Phone 8851 CVE-2017-6630 Denial of Service Vulnerability
OSVDB: - CVE-2017-6630 - Cisco - Ip Phone 8800 Series Firmware - High
SecurityTracker: 1038511

Entryinfo

Created: 05/22/2017 11:12
Updated: 12/25/2020 09:30
Changes: 05/22/2017 11:12 (71), 12/25/2020 09:30 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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