VDB-26724 · CVE-2005-3382 · BID 15189

Sophos Anti-Virus 3.91 Engine 2.28.4

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.
5.3	$5k-$25k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Sophos Anti-Virus 3.91 Engine 2.28.4. Impacted is an unknown function. The manipulation results in an unknown weakness. This vulnerability is cataloged as CVE-2005-3382. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Sophos Anti-Virus 3.91 Engine 2.28.4 (Anti-Malware Software). This is going to have an impact on integrity. CVE summarizes:

Multiple interpretation error in Sophos 3.91 with the 2.28.4 engine allows remote attackers to bypass virus scanning via a file such as BAT, HTML, and EML with an "MZ" magic byte sequence which is normally associated with EXE, which causes the file to be treated as a safe type that could still be executed as a dangerous file type by applications on the end system, as demonstrated by a "triple headed" program that contains EXE, EML, and HTML content, aka the "magic byte bug."

The weakness was shared 10/30/2005 (Website). The advisory is shared for download at marc.theaimsgroup.com. This vulnerability is traded as CVE-2005-3382 since 10/29/2005. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 07/12/2018).

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 vulnerability database at SecurityFocus (BID 15189†). The entries VDB-26723, VDB-26722, VDB-26721 and VDB-26720 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Anti-Malware Software

Vendor

Sophos

Name

Anti-Virus

Version

3.91 Engine 2.28.4

License

commercial

Website

Vendor: https://www.sophos.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Unknown
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/25/2005 🔍
10/29/2005 +4 days 🔍
10/30/2005 +1 days 🔍
10/30/2005 +0 days 🔍
03/11/2015 +3419 days 🔍
07/12/2018 +1219 days 🔍

Sourcesinfo

Vendor: sophos.com

Advisory: marc.theaimsgroup.com
Status: Not defined

CVE: CVE-2005-3382 (🔍)
GCVE (CVE): GCVE-0-2005-3382
GCVE (VulDB): GCVE-100-26724
SecurityFocus: 15189 - Multiple Vendor Anti-Virus Magic Byte Detection Evasion Vulnerability

See also: 🔍

Entryinfo

Created: 03/11/2015 23:39
Updated: 07/12/2018 08:43
Changes: 03/11/2015 23:39 (43), 07/12/2018 08:43 (6)
Complete: 🔍
Cache ID: 216::103