Avast! Antivirus 11.1.2245 IOCTL Call snxhk.dll 7pk security

HistoryDiffrelatejsonxmlCTI

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Avast! Antivirus 11.1.2245. Impacted is an unknown function in the library snxhk.dll of the component IOCTL Call Handler. Performing a manipulation results in 7pk security. This vulnerability is identified as CVE-2016-4025. The attack is only possible with local access. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical has been found in Avast! Antivirus 11.1.2245 (Anti-Malware Software). This affects some unknown functionality in the library snxhk.dll of the component IOCTL Call Handler. The manipulation with an unknown input leads to a 7pk security vulnerability. CWE is classifying the issue as CWE-254. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 04/19/2016 as not defined mailinglist post (Full-Disclosure). It is possible to read the advisory at seclists.org. This vulnerability is uniquely identified as CVE-2016-4025 since 04/14/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/26/2022). The attack technique deployed by this issue is T1211 according to MITRE ATT&CK.

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 X-Force (112542). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Anti-Malware Software

Vendor

Avast!

Name

Antivirus

Version

11.1.2245

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: 7pk security
CWE: CWE-254
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

OpenVAS ID: 862350
OpenVAS Name: Avast Endpoint Protection Plus Sandbox Escape Security Bypass Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/14/2016 🔍
04/19/2016 +5 days 🔍
04/25/2016 +6 days 🔍
11/03/2016 +192 days 🔍
07/26/2022 +2091 days 🔍

Sourcesinfo

Advisory: seclists.org
Status: Not defined

CVE: CVE-2016-4025 (🔍)
GCVE (CVE): GCVE-0-2016-4025
GCVE (VulDB): GCVE-100-82791
X-Force: 112542 - Avast! Sandbox security bypass

Entryinfo

Created: 04/25/2016 15:33
Updated: 07/26/2022 15:13
Changes: 04/25/2016 15:33 (59), 10/23/2018 13:25 (6), 07/26/2022 15:13 (3)
Complete: 🔍
Cache ID: 216::103