Anti-virus Kaspersky Anti-virus up to 8.0.4. Web Interface action reportId information disclosure

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 (≈)
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Anti-virus Kaspersky Anti-virus up to 8.0.4.. It has been declared as problematic. This affects the function action of the component Web Interface. Executing a manipulation of the argument reportId as part of Parameter can lead to information disclosure. This vulnerability is tracked as CVE-2017-9812. The attack can be launched remotely. Moreover, an exploit is present. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Anti-virus Kaspersky Anti-virus up to 8.0.4. (Anti-Malware Software). It has been declared as critical. This vulnerability affects the function action of the component Web Interface. The manipulation of the argument reportId as part of a Parameter leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

The reportId parameter of the getReportStatus action method can be abused in the web interface in Kaspersky Anti-Virus for Linux File Server before Maintenance Pack 2 Critical Fix 4 (version 8.0.4.312) to read arbitrary files with kluser privileges.

The bug was discovered 06/28/2017. The weakness was disclosed 07/17/2017 by Core Security with Core Security Consulting Services as confirmed mailinglist post (Full-Disclosure). The advisory is shared for download at seclists.org. This vulnerability was named CVE-2017-9812 since 06/22/2017. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1592.

A public exploit has been developed by Core Security and been published even before and not after the advisory. It is possible to download the exploit 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 $0-$5k.

Upgrading to version 8.0.4.312) eliminates this vulnerability. Attack attempts may be identified with Snort ID 43810.

The vulnerability is also documented in the databases at Exploit-DB (42269) and SecurityFocus (BID 99330†). The entries VDB-103730, VDB-103731 and VDB-103733 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kaspersky Anti-virus 8.0.4.312)

Snort ID: 43810
Snort Message: SERVER-WEBAPP Kaspersky Linux File Server WMC directory traversal 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 🔍
01/05/2025 +2728 days 🔍

Sourcesinfo

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

CVE: CVE-2017-9812 (🔍)
GCVE (CVE): GCVE-0-2017-9812
GCVE (VulDB): GCVE-100-103732
SecurityFocus: 99330 - Kaspersky Anti-Virus for Linux File Server Multiple Security Vulnerabilities
SecurityTracker: 1038798

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

Entryinfo

Created: 07/18/2017 11:23
Updated: 01/05/2025 19:42
Changes: 07/18/2017 11:23 (80), 10/27/2019 06:51 (1), 01/01/2021 18:29 (2), 12/13/2022 08:46 (3), 01/05/2025 19:42 (14)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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