VDB-104907 · CVE-2017-6762 · BID 100108

Jabber Guest Server 10.6(9)/11.0(0)/11.0(1) Web-based Management Interface cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Jabber Guest Server 10.6(9)/11.0(0)/11.0(1). It has been classified as problematic. Affected by this vulnerability is an unknown functionality of the component Web-based Management Interface. Performing a manipulation results in cross site scripting. This vulnerability is reported as CVE-2017-6762. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Jabber Guest Server 10.6(9)/11.0(0)/11.0(1). This affects an unknown code block of the component Web-based Management Interface. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

A vulnerability in the web-based management interface of Cisco Jabber Guest Server 10.6(9), 11.0(0), and 11.0(1) could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of the affected software. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of the affected software. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or allow the attacker to access sensitive browser-based information. Cisco Bug IDs: CSCve09718.

The bug was discovered 08/02/2017. The weakness was disclosed 08/07/2017 (Website). It is possible to read the advisory at quickview.cloudapps.cisco.com. This vulnerability is uniquely identified as CVE-2017-6762 since 03/09/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k.

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 100108†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Jabber

Name

Guest Server

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/09/2017 🔍
08/02/2017 +146 days 🔍
08/02/2017 +0 days 🔍
08/07/2017 +5 days 🔍
08/07/2017 +0 days 🔍
08/07/2017 +0 days 🔍
01/07/2021 +1249 days 🔍

Sourcesinfo

Advisory: quickview.cloudapps.cisco.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-6762 (🔍)
GCVE (CVE): GCVE-0-2017-6762
GCVE (VulDB): GCVE-100-104907
SecurityFocus: 100108 - Cisco Jabber Guest Server CVE-2017-6762 Cross Site Scripting Vulnerability
SecurityTracker: 1039060

Entryinfo

Created: 08/07/2017 16:42
Updated: 01/07/2021 13:33
Changes: 08/07/2017 16:42 (58), 11/04/2019 09:45 (4), 01/07/2021 13:33 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.