Sophos Anti-Virus 7.0.5 (SSDT) ObjectAttributes input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Sophos Anti-Virus 7.0.5 and classified as problematic. Affected by this vulnerability is the function (SSDT). The manipulation of the argument ObjectAttributes leads to input validation. This vulnerability is referenced as CVE-2008-1737. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Sophos Anti-Virus 7.0.5 (Anti-Malware Software). This issue affects the function (SSDT). The manipulation of the argument ObjectAttributes with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Sophos Anti-Virus 7.0.5, and other 7.x versions, when Runtime Behavioural Analysis is enabled, allows local users to cause a denial of service (reboot with the product disabled) and possibly gain privileges via a zero value in a certain length field in the ObjectAttributes argument to the NtCreateKey hooked System Service Descriptor Table (SSDT) function.

The weakness was published 04/29/2008 by Damian with CORE Security Technologies (Website). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2008-1737 since 04/11/2008. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/23/2018).

It is declared as proof-of-concept.

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 databases at X-Force (42083), SecurityFocus (BID 28743†), Secunia (SA29996†) and SecurityTracker (ID 1019945†). Similar entries are available at VDB-42186 and VDB-42184. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 8.4
VulDB Temp Score: 7.4
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: Input validation
CWE: CWE-20
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/11/2008 🔍
04/28/2008 +17 days 🔍
04/29/2008 +0 days 🔍
04/29/2008 +0 days 🔍
04/29/2008 +0 days 🔍
04/29/2008 +0 days 🔍
03/16/2015 +2512 days 🔍
09/23/2018 +1287 days 🔍

Sourcesinfo

Vendor: sophos.com

Advisory: securityfocus.com⛔
Researcher: Damian
Organization: CORE Security Technologies
Status: Not defined
Confirmation: 🔍

CVE: CVE-2008-1737 (🔍)
GCVE (CVE): GCVE-0-2008-1737
GCVE (VulDB): GCVE-100-42185
X-Force: 42083 - Sophos Anti-Virus SSDT() denial of service
SecurityFocus: 28743 - Sophos Anti-Virus SSDT Hooks Local Denial of Service Vulnerability
Secunia: 29996 - Sophos Anti-Virus "NtCreateKey()" Hooked Function Denial of Service, Not Critical
SecurityTracker: 1019945
Vupen: ADV-2008-1381

See also: 🔍

Entryinfo

Created: 03/16/2015 17:00
Updated: 09/23/2018 08:43
Changes: 03/16/2015 17:00 (61), 09/23/2018 08:43 (7)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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