CVE-2011-10016
BaseFortify
Publication date: 2025-08-13
Last updated on: 2025-08-14
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| real_networks | netzip_classic | 7.5.1.86 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-121 | A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a stack-based buffer overflow in Real Networks Netzip Classic version 7.5.1.86. It occurs when the application parses a specially crafted ZIP archive containing a file name that exceeds the expected buffer size. This overflow allows an attacker to overwrite the program's control flow and execute arbitrary code with the privileges of the user who opens the malicious ZIP file. The exploit involves crafting a ZIP file with a malicious filename that triggers the overflow during parsing, enabling execution of attacker-controlled payloads. [1, 4]
How can this vulnerability impact me? :
If exploited, this vulnerability can allow an attacker to execute arbitrary code on your system with the same privileges as the user who opens the malicious ZIP file. This could lead to unauthorized actions such as installing malware, stealing data, or taking control of the affected system. The attack requires the victim to open a specially crafted ZIP archive, making user interaction necessary. The impact includes potential compromise of confidentiality, integrity, and availability of your system. [1, 3, 4]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability can be detected by identifying if Real Networks Netzip Classic version 7.5.1.86 is installed and by monitoring for the opening or processing of specially crafted ZIP files with unusually long or malformed file names inside the archive. Since the exploit involves a buffer overflow triggered by a crafted ZIP file, detection can involve scanning for ZIP files with abnormally long file names or suspicious ZIP archives. There are no specific commands provided in the resources, but one could use file scanning tools or scripts to inspect ZIP archives for file names exceeding typical lengths. Additionally, monitoring user activity for the opening of ZIP files with suspicious characteristics in Netzip Classic 7.5.1.86 could help detect exploitation attempts. [1, 2, 4]
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include: 1) Avoid opening ZIP files from untrusted or unknown sources in Real Networks Netzip Classic version 7.5.1.86. 2) If possible, discontinue use of Netzip Classic 7.5.1.86, as the product is no longer supported and vulnerable. 3) Use alternative, updated archive tools that are not vulnerable. 4) Implement user awareness to prevent opening suspicious ZIP files. 5) Monitor and restrict the execution environment to limit the impact of potential exploitation. Since no official patch or update is mentioned, these steps focus on prevention and limiting exposure. [3, 4]