Webmin 1.840 change_referers.cgi referers 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.
5.6$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Webmin 1.840. This vulnerability affects unknown code of the file webmin/change_referers.cgi. The manipulation of the argument referers leads to cross site scripting. This vulnerability is uniquely identified as CVE-2017-9313. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Webmin 1.840 (Software Management Software). This issue affects some unknown functionality of the file webmin/change_referers.cgi. The manipulation of the argument referers with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity.

The bug was discovered 10/16/2017. The weakness was disclosed 07/02/2017 by Andy Tan (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2017-9313 since 05/30/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. 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 16 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 108559 (Webmin < 1.850 Multiple Cross Site Scripting Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses : XSS and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 87361 (Webmin Multiple Cross-Site Scripting (XSS) Vulnerabilities).

Upgrading to version 1.850 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (108559), SecurityFocus (BID 99373†) and SecurityTracker (ID 1038814†). The entries VDB-103006 and VDB-103008 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 108559
Nessus Name: Webmin < 1.850 Multiple Cross Site Scripting Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 100891
OpenVAS Name: Webmin Multiple XSS Vulnerabilities - July17 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍

Upgrade: Webmin 1.850
Patch: github.com

Timelineinfo

05/30/2017 🔍
06/12/2017 +13 days 🔍
06/28/2017 +16 days 🔍
07/02/2017 +4 days 🔍
07/03/2017 +1 days 🔍
07/03/2017 +0 days 🔍
07/03/2017 +0 days 🔍
07/04/2017 +1 days 🔍
10/16/2017 +104 days 🔍
03/22/2018 +157 days 🔍
12/09/2022 +1723 days 🔍

Sourcesinfo

Product: github.com

Advisory: a330e913ee099cb9c586ce1b9267647fc566c1ab⛔
Researcher: Andy Tan
Status: Confirmed

CVE: CVE-2017-9313 (🔍)
GCVE (CVE): GCVE-0-2017-9313
GCVE (VulDB): GCVE-100-103007
SecurityFocus: 99373 - Webmin CVE-2017-9313 Multiple Cross Site Scripting Vulnerabilities
SecurityTracker: 1038814

See also: 🔍

Entryinfo

Created: 07/04/2017 09:15
Updated: 12/09/2022 15:53
Changes: 07/04/2017 09:15 (71), 10/22/2019 06:45 (14), 12/30/2020 13:25 (2), 12/09/2022 15:53 (4)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!