Sophos Anti-Virus up to 6.5 numeric error

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 was found in Sophos Anti-Virus. It has been classified as critical. This vulnerability affects unknown code. Performing a manipulation results in numeric error. This vulnerability is reported as CVE-2007-4578. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Sophos Anti-Virus (Anti-Malware Software). This affects an unknown code block. The manipulation with an unknown input leads to a numeric error vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Sophos Anti-Virus for Windows and for Unix/Linux before 2.48.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted UPX packed file, resulting from an "integer cast around". NOTE: as of 20070828, the vendor says this is a DoS and the researcher says this allows code execution, but the researcher is reliable.

The bug was discovered 08/08/2007. The weakness was disclosed 08/28/2007 by Shadow (Website). It is possible to read the advisory at sophos.com. This vulnerability is uniquely identified as CVE-2007-4578 since 08/28/2007. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 15 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 25933 (Sophos Anti-Virus UPX and BZIP File Multiple Vulnerabilities), 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.

Upgrading to version 4.04 eliminates this vulnerability. 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 X-Force (36239), Tenable (25933), SecurityFocus (BID 25428†), OSVDB (37986†) and Secunia (SA26580†). The entry VDB-38546 is pretty similar. Statistical analysis made it clear that VulDB provides the best quality 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: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 25933
Nessus Name: Sophos Anti-Virus UPX and BZIP File Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Anti-Virus 4.04

Timelineinfo

08/08/2007 🔍
08/08/2007 +0 days 🔍
08/23/2007 +15 days 🔍
08/23/2007 +0 days 🔍
08/24/2007 +1 days 🔍
08/27/2007 +3 days 🔍
08/27/2007 +0 days 🔍
08/28/2007 +1 days 🔍
08/28/2007 +0 days 🔍
08/28/2007 +0 days 🔍
09/02/2007 +5 days 🔍
03/16/2015 +2752 days 🔍
07/25/2019 +1592 days 🔍

Sourcesinfo

Vendor: sophos.com

Advisory: sophos.com
Researcher: Shadow
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-4578 (🔍)
GCVE (CVE): GCVE-0-2007-4578
GCVE (VulDB): GCVE-100-38547
X-Force: 36239
SecurityFocus: 25428 - Sophos Anti-Virus UPX and BZIP Multiple Remote Vulnerabilities
Secunia: 26580
OSVDB: 37986 - Sophos Anti-Virus UPX denial of service
SecurityTracker: 1018608
Vulnerability Center: 15950 - Sophos Anti-Virus < 2.48.0 Remote Denial of Service via a Malformed UPX File, Medium
Vupen: ADV-2007-2972

See also: 🔍

Entryinfo

Created: 03/16/2015 12:18
Updated: 07/25/2019 09:32
Changes: 03/16/2015 12:18 (77), 07/25/2019 09:32 (4)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!