avast! 4 Home and Professional TAR code execution
| avast-tar-code-execution (38877) |
Description:
avast! 4 Home and Professional could allow a remote attacker to execute arbitrary code on the system, caused by the improper handling of TAR files. By persuading a victim to open a specially-crafted TAR file using unspecified TAR fields, a remote attacker could exploit this vulnerability to corrupt heap memory and possibly execute arbitrary code.
*CVSS:
| Base Score: | 6.8 |
| Access Vector: | Network |
| Access Complexity: | Medium |
| Authentication: | None |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | Partial |
| Temporal Score: | 5 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
Remedy:
Upgrade to the latest version of avast! 4 Home or avast! 4 Professional (4.7.1098 or later), available from the avast! Web site. See References.
References:
- avast! Web site: avast! 4 Home/Professional Revision History: Version 4.7.1098.
- Sowhat's HomePage: Avast! AntiVirus TAR Processing Remote Heap Corruption.
- BID-26702: avast! Home/Professional TAR File Handling Remote Heap Overflow Vulnerability
- CVE-2007-6265: Unspecified vulnerability in avast! 4 Home and Professional Editions before 4.7.1098 allows remote attackers to have an unknown impact via a crafted TAR archive.
- SA27929: avast! Home/Professional TAR File Processing Heap Corruption
- VUPEN/ADV-2007-4097: avast! 4 Home/Professional TAR File Handling Code Execution Vulnerability
Platforms Affected:
- Alwil avast! 4 prior to 4.7.1098 Home
- Alwil avast! 4 Professional Edition prior to 4.7.1098
Reported:
Dec 04, 2007
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net
* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
