Kaspersky Anti-Virus up to 8.0.4 scriptName 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.
5.0$0-$5k0.00

A vulnerability was found in Kaspersky Anti-Virus up to 8.0.4 (Anti-Malware Software). It has been rated as problematic. This issue affects an unknown function. The manipulation of the argument scriptName as part of a Parameter 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 summary by CVE is:

In Kaspersky Anti-Virus for Linux File Server before Maintenance Pack 2 Critical Fix 4 (version 8.0.4.312), the scriptName parameter of the licenseKeyInfo action method is vulnerable to cross-site scripting (XSS).

The bug was discovered 06/28/2017. The weakness was presented 07/17/2017 by Core Security with Core Security Consulting Services as confirmed mailinglist post (Full-Disclosure). The advisory is shared at seclists.org. The identification of this vulnerability is CVE-2017-9813 since 06/22/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

A public exploit has been developed by Core Security and been published even before and not after the advisory. The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 19 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 8.0.4.312) eliminates this vulnerability. Attack attempts may be identified with Snort ID 43813.

The vulnerability is also documented in the vulnerability database at Exploit-DB (42269). See 103730, 103731 and 103732 for similar entries.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.0

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
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-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Core Security
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Anti-Virus 8.0.4.312)

Snort ID: 43813
Snort Message: SERVER-WEBAPP Kaspersky Linux File Server WMC cross site scripting attempt
Snort Class: 🔍

Timelineinfo

06/22/2017 🔍
06/28/2017 +6 days 🔍
06/28/2017 +0 days 🔍
06/28/2017 +0 days 🔍
06/29/2017 +1 days 🔍
07/17/2017 +18 days 🔍
07/17/2017 +0 days 🔍
07/18/2017 +1 days 🔍
12/13/2022 +1974 days 🔍

Sourcesinfo

Vendor: kaspersky.com

Advisory: 143190
Researcher: Core Security
Organization: Core Security Consulting Services
Status: Confirmed

CVE: CVE-2017-9813 (🔍)
SecurityTracker: 1038798
SecurityFocus: 99330 - Kaspersky Anti-Virus for Linux File Server Multiple Security Vulnerabilities

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/18/2017 11:23
Updated: 12/13/2022 08:48
Changes: 07/18/2017 11:23 (77), 10/27/2019 07:50 (2), 01/01/2021 18:36 (2), 12/13/2022 08:48 (3)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you need the next level of professionalism?

Upgrade your account now!