Linux Kernel 2.6.16.9 btrfs_ioctl_clone access control

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

A vulnerability was found in Linux Kernel 2.6.16.9 (Operating System). It has been classified as critical. Affected is the function btrfs_ioctl_clone. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on integrity, and availability. CVE summarizes:

The btrfs_ioctl_clone function in fs/btrfs/ioctl.c in the Linux kernel before 2.6.35 allows local users to overwrite an append-only file via a (1) BTRFS_IOC_CLONE or (2) BTRFS_IOC_CLONE_RANGE ioctl call that specifies this file as a donor.

The issue has been introduced in 03/20/2006. The weakness was published 09/30/2010 by Dan Rosenberg as confirmed git commit (GIT Repository). The advisory is available at git.kernel.org. This vulnerability is traded as CVE-2010-2537. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 1655 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 51453 (Ubuntu 9.10 / 10.04 LTS / 10.10 : linux, linux-ec2 vulnerabilities (USN-1041-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165606 (SUSE Enterprise Linux Security Update Linux Kernel (SUSE-SA:2010:040)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

The vulnerability is also documented in the databases at Tenable (51453), SecurityFocus (BID 41847†) and Vulnerability Center (SBV-27320†).

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.7
VulDB Temp Score: 7.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 51453
Nessus Name: Ubuntu 9.10 / 10.04 LTS / 10.10 : linux, linux-ec2 vulnerabilities (USN-1041-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 850154
OpenVAS Name: SuSE Update for kernel SUSE-SA:2010:039
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 2ebc3464781ad24474abcbd2274e6254689853b5

Timelineinfo

03/20/2006 🔍
06/30/2010 +1562 days 🔍
07/19/2010 +19 days 🔍
07/19/2010 +0 days 🔍
09/28/2010 +71 days 🔍
09/30/2010 +2 days 🔍
09/30/2010 +0 days 🔍
01/11/2011 +103 days 🔍
03/19/2015 +1528 days 🔍
09/25/2021 +2382 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-1041-1
Researcher: Dan Rosenberg
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-2537 (🔍)
OVAL: 🔍

SecurityFocus: 41847 - Linux Kernel Btrfs Overwrite Append-Only Files Local Security Bypass Vulnerability
Secunia: 42758
Vulnerability Center: 27320 - Linux Kernel 2.6.35-rc4 and Prior Allows Local Security Bypass, Medium

Entryinfo

Created: 03/19/2015 02:37 PM
Updated: 09/25/2021 07:29 PM
Changes: 03/19/2015 02:37 PM (66), 03/06/2017 11:08 AM (10), 09/25/2021 07:13 PM (7), 09/25/2021 07:21 PM (11), 09/25/2021 07:29 PM (1)
Complete: 🔍
Cache ID: 98:E6C:40

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