VDB-38546 · CVE-2007-4577 · BID 25428

Sophos Anti-Virus up to 6.5 resource management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

A vulnerability was found in Sophos Anti-Virus (Anti-Malware Software). It has been rated as critical. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. CVE summarizes:

Sophos Anti-Virus for Unix/Linux before 2.48.0 allows remote attackers to cause a denial of service (infinite loop) via a malformed BZip file that results in the creation of multiple Engine temporary files (aka a "BZip bomb").

The bug was discovered 08/08/2007. The weakness was released 08/28/2007 by Shadow (Website). The advisory is available at secunia.com. This vulnerability is handled as CVE-2007-4577 since 08/28/2007. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not 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 $5k-$25k. 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 vulnerability database at Tenable (25933). Entry connected to this vulnerability is available at 38547.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
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: Resource management
CWE: CWE-399 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 🔍
08/23/2007 +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 🔍
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: secunia.com
Researcher: Shadow
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-4577 (🔍)
SecurityTracker: 1018608
Vulnerability Center: 15949 - Sophos Anti-Virus < 2.48.0 Remote Denial of Service via a Malformed BZip File, Medium
SecurityFocus: 25428 - Sophos Anti-Virus UPX and BZIP Multiple Remote Vulnerabilities
Secunia: 26580
OSVDB: 37987 - Sophos Anti-Virus BZIP denial of service
Vupen: ADV-2007-2972

See also: 🔍

Entryinfo

Created: 03/16/2015 12:18
Updated: 07/25/2019 09:28
Changes: 03/16/2015 12:18 (76), 07/25/2019 09:28 (4)
Complete: 🔍

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