Kingsoft Webshield 3.5.1.2 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.
7.9	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Kingsoft Webshield 3.5.1.2. Affected is an unknown function. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2010-2031. Moreover, an exploit is present.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Kingsoft Webshield 3.5.1.2. This issue affects an unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

KAVSafe.sys 2010.4.14.609 and earlier, as used in Kingsoft Webshield 3.5.1.2 and earlier, allows local users to overwrite arbitrary kernel memory via a crafted request to IOCTL 0x830020d4 on the KAVSafe device.

The weakness was disclosed 05/23/2010 (Website). It is possible to read the advisory at exploit-db.com. The identification of this vulnerability is CVE-2010-2031 since 05/24/2010. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed in ANSI C and been published immediately after the advisory. The exploit is available at securityfocus.com. 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 (58780), Exploit-DB (12710), SecurityFocus (BID 40342†), OSVDB (64833†) and Secunia (SA39916†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• Kingsoft

Name

• Webshield

Version

• 3.5.1.2

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.4
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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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: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

05/23/2010 🔍
05/23/2010 +0 days 🔍
05/23/2010 +0 days 🔍
05/24/2010 +1 days 🔍
05/24/2010 +0 days 🔍
05/24/2010 +0 days 🔍
03/19/2015 +1759 days 🔍
02/05/2019 +1419 days 🔍

Sourcesinfo

Advisory: exploit-db.com
Status: Not defined

CVE: CVE-2010-2031 (🔍)
GCVE (CVE): GCVE-0-2010-2031
GCVE (VulDB): GCVE-100-53327
X-Force: 58780
SecurityFocus: 40342 - Kingsoft Webshield 'KAVSafe.sys' Driver IOCTL Handling Local Privilege Escalation Vulnerability
Secunia: 39916
OSVDB: 64833 - Kingsoft WebShield KAVSafe.sys IOCTL Handling Memory Corruption

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

Entryinfo

Created: 03/19/2015 12:22
Updated: 02/05/2019 15:58
Changes: 03/19/2015 12:22 (58), 02/05/2019 15:58 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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