Grisoft AVG Anti-Virus 7.5.448 privileges management

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Grisoft AVG Anti-Virus 7.5.448. The affected element is an unknown function. This manipulation causes privileges management. This vulnerability appears as CVE-2007-3777. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Grisoft AVG Anti-Virus 7.5.448 (Anti-Malware Software) and classified as critical. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

avg7core.sys 7.5.0.444 in Grisoft AVG Anti-Virus 7.5.448 and Free Edition 7.5.446, provides an internal function that copies data to an arbitrary address, which allows local users to gain privileges via arbitrary address arguments to a function provided by the 0x5348E004 IOCTL for the generic DeviceIoControl handler.

The bug was discovered 07/10/2007. The weakness was presented 07/15/2007 by Jonathan Lindsay with NGSSoftware (Website). The advisory is shared at secunia.com. This vulnerability is known as CVE-2007-3777 since 07/15/2007. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 25706 (AVG Anti-virus avg7core.sys 0x5348E004 IOCTL Local Privilege Escalation), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (35345), Tenable (25706), SecurityFocus (BID 24870†), OSVDB (37975†) and Secunia (SA25998†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.4
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 25706
Nessus Name: AVG Anti-virus avg7core.sys 0x5348E004 IOCTL Local Privilege Escalation
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/10/2007 🔍
07/11/2007 +1 days 🔍
07/11/2007 +0 days 🔍
07/11/2007 +0 days 🔍
07/12/2007 +1 days 🔍
07/12/2007 +0 days 🔍
07/12/2007 +0 days 🔍
07/15/2007 +2 days 🔍
07/15/2007 +0 days 🔍
07/15/2007 +0 days 🔍
07/16/2007 +1 days 🔍
03/15/2015 +2799 days 🔍
07/22/2019 +1590 days 🔍

Sourcesinfo

Advisory: secunia.com⛔
Researcher: Jonathan Lindsay
Organization: NGSSoftware
Status: Confirmed

CVE: CVE-2007-3777 (🔍)
GCVE (CVE): GCVE-0-2007-3777
GCVE (VulDB): GCVE-100-37813
X-Force: 35345
SecurityFocus: 24870 - AVG Anti-Virus Local Privilege Escalation Vulnerability
Secunia: 25998
OSVDB: 37975 - AVG Anti-Virus avg7core.sys 0x5348E004 IOCTL Local Privilege Escalation
SecurityTracker: 1018362
Vulnerability Center: 15616 - Grisoft AVG Anti-Virus Vulnerability Allows Local Users to Execute Code with System Privileges, High
Vupen: ADV-2007-2518

Entryinfo

Created: 03/15/2015 15:58
Updated: 07/22/2019 09:33
Changes: 03/15/2015 15:58 (77), 07/22/2019 09:33 (2)
Complete: 🔍
Cache ID: 216::103

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