Summaryinfo

A vulnerability labeled as problematic has been found in Linux Kernel 2.6.39/2.6.39.1/2.6.39.2/2.6.39.3. Affected by this issue is the function osf_getsysinfo. Executing a manipulation can lead to access control. This vulnerability is tracked as CVE-2011-2210. No exploit exists.

Detailsinfo

A vulnerability has been found in Linux Kernel 2.6.39/2.6.39.1/2.6.39.2/2.6.39.3 (Operating System) and classified as problematic. This vulnerability affects the function osf_getsysinfo. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality. CVE summarizes:

The osf_getsysinfo function in arch/alpha/kernel/osf_sys.c in the Linux kernel before 2.6.39.4 on the Alpha platform does not properly restrict the data size for GSI_GET_HWRPB operations, which allows local users to obtain sensitive information from kernel memory via a crafted call.

The issue has been introduced in 05/18/2011. The weakness was disclosed 06/13/2012 (Website). The advisory is shared for download at github.com. This vulnerability was named CVE-2011-2210 since 05/31/2011. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 12/03/2021). The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 392 days. During that time the estimated underground price was around $5k-$25k.

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 databases at X-Force (76284), SecurityFocus (BID 78470†) and Vulnerability Center (SBV-54767†). The entries VDB-60953, VDB-60951 and VDB-60950 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 2.6.39
• 2.6.39.1
• 2.6.39.2
• 2.6.39.3

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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