BlueCoat K9 Web Protection up to 3.2.35 k9filter.exe 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.
9.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in BlueCoat K9 Web Protection up to 3.2.35. It has been classified as critical. Affected by this issue is some unknown functionality of the file k9filter.exe. Performing a manipulation results in memory corruption. This vulnerability was named CVE-2007-1685. In addition, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in BlueCoat K9 Web Protection up to 3.2.35. It has been classified as critical. This affects an unknown code block of the file k9filter.exe. 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. The summary by CVE is:

Buffer overflow in k9filter.exe in BlueCoat K9 Web Protection 3.2.36, and probably other versions before 3.2.44, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long HTTP GET request to port 2372.

The bug was discovered 06/08/2007. The weakness was presented 06/08/2007 (Website). It is possible to read the advisory at vupen.com. This vulnerability is uniquely identified as CVE-2007-1685 since 03/26/2007. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept.

Upgrading to version 3.2.36 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (34773), Exploit-DB (30163), SecurityFocus (BID 24373†), OSVDB (37186†) and Secunia (SA25593†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• BlueCoat

Name

• K9 Web Protection

Version

• 3.2.0
• 3.2.1
• 3.2.2
• 3.2.3
• 3.2.4
• 3.2.5
• 3.2.6
• 3.2.7
• 3.2.8
• 3.2.9
• 3.2.10
• 3.2.11
• 3.2.12
• 3.2.13
• 3.2.14
• 3.2.15
• 3.2.16
• 3.2.17
• 3.2.18
• 3.2.19
• 3.2.20
• 3.2.21
• 3.2.22
• 3.2.23
• 3.2.24
• 3.2.25
• 3.2.26
• 3.2.27
• 3.2.28
• 3.2.29
• 3.2.30
• 3.2.31
• 3.2.32
• 3.2.33
• 3.2.34
• 3.2.35

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
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
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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: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: K9 Web Protection 3.2.36
PaloAlto IPS: 🔍

Timelineinfo

03/26/2007 🔍
06/08/2007 +74 days 🔍
06/08/2007 +0 days 🔍
06/08/2007 +0 days 🔍
06/08/2007 +0 days 🔍
06/08/2007 +0 days 🔍
06/08/2007 +0 days 🔍
06/08/2007 +0 days 🔍
06/08/2007 +0 days 🔍
10/07/2007 +120 days 🔍
03/15/2015 +2716 days 🔍
01/21/2025 +3600 days 🔍

Sourcesinfo

Advisory: vupen.com⛔
Status: Confirmed

CVE: CVE-2007-1685 (🔍)
GCVE (CVE): GCVE-0-2007-1685
GCVE (VulDB): GCVE-100-37203
X-Force: 34773
SecurityFocus: 24373 - Blue Coat Systems K9 Web Protection Remote Buffer Overflow Vulnerability
Secunia: 25593
OSVDB: 37186 - Blue Coat K9 Web Protection k9filter.exe HTTP Get Request Remote Overflow
SecurityTracker: 1018210
Vulnerability Center: 16255 - BlueCoat K9 Web Protection Buffer Overflow Allows DoS and Arbitrary Code Execution, Critical
Vupen: ADV-2007-2104

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

Entryinfo

Created: 03/15/2015 15:58
Updated: 01/21/2025 04:06
Changes: 03/15/2015 15:58 (70), 07/27/2019 09:20 (4), 01/21/2025 04:06 (16)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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