Sophos Anti-Virus up to 7.6.19 NtQueryAttributesFile memory corruption

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.
6.6$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Sophos Anti-Virus. This issue affects the function NtQueryAttributesFile. The manipulation results in memory corruption. This vulnerability is known as CVE-2010-2308. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in Sophos Anti-Virus (Anti-Malware Software). Affected is the function NtQueryAttributesFile. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Unspecified vulnerability in the filter driver (savonaccessfilter.sys) in Sophos Anti-Virus before 7.6.20 allows local users to gain privileges via crafted arguments to the NtQueryAttributesFile function.

The weakness was published 06/10/2010 by Cody Pierce with TippingPoint (Website). The advisory is shared for download at sophos.com. This vulnerability is traded as CVE-2010-2308 since 06/16/2010. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/25/2025).

It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 46860 (Sophos Anti-Virus SAVOnAccessFilter 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 118096 (Sophos Antivirus "NtQueryAttributesFile()" Privilege Escalation Vulnerability).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at sophos.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (46860), SecurityFocus (BID 40715†), OSVDB (65377†), Secunia (SA40085†) and SecurityTracker (ID 1024089†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 46860
Nessus Name: Sophos Anti-Virus SAVOnAccessFilter Local Privilege Escalation
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: sophos.com

Timelineinfo

06/09/2010 🔍
06/09/2010 +0 days 🔍
06/09/2010 +0 days 🔍
06/10/2010 +1 days 🔍
06/10/2010 +0 days 🔍
06/10/2010 +0 days 🔍
06/11/2010 +0 days 🔍
06/15/2010 +4 days 🔍
06/16/2010 +1 days 🔍
06/16/2010 +0 days 🔍
06/21/2010 +5 days 🔍
01/25/2025 +5332 days 🔍

Sourcesinfo

Vendor: sophos.com

Advisory: sophos.com
Researcher: Cody Pierce
Organization: TippingPoint
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-2308 (🔍)
GCVE (CVE): GCVE-0-2010-2308
GCVE (VulDB): GCVE-100-4140
SecurityFocus: 40715 - Sophos Anti-Virus 'NtQueryAttributesFile()' System Call Local Privilege Escalation Vulnerability
Secunia: 40085 - Sophos Anti-Virus "NtQueryAttributesFile()" Privilege Escalation Vulnerability, Less Critical
OSVDB: 65377 - Sophos Anti-Virus savonaccessfilter.sys NtQueryAttributesFile() Call Memory Corruption Local Privilege Escalation
SecurityTracker: 1024089 - Sophos Anti-Virus 'savonaccessfilter.sys' Error Lets Local Users Gain Elevated Privileges
Vulnerability Center: 26032 - Sophos Anti-Virus \x3C 7.6.20 Local Privilege-Escalation Vulnerability, High
Vupen: ADV-2010-1412

Entryinfo

Created: 06/21/2010 02:00
Updated: 01/25/2025 17:56
Changes: 06/21/2010 02:00 (78), 02/27/2017 09:48 (10), 03/18/2021 07:45 (3), 01/25/2025 17:56 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!