Linux Kernel 2.6.29 btrfs_ioctl_clone information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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3.7$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Linux Kernel 2.6.29. The affected element is the function btrfs_ioctl_clone. The manipulation leads to information disclosure. This vulnerability is uniquely identified as CVE-2010-1636. Moreover, an exploit is present.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.29 (Operating System). It has been rated as problematic. This issue affects the function btrfs_ioctl_clone. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

The btrfs_ioctl_clone function in fs/btrfs/ioctl.c in the btrfs functionality in the Linux kernel 2.6.29 through 2.6.32, and possibly other versions, does not ensure that a cloned file descriptor has been opened for reading, which allows local users to read sensitive information from a write-only file descriptor.

The issue has been introduced in 03/24/2009. The weakness was disclosed 06/07/2010 by Dan Rosenberg (Website). The advisory is shared at bugs.launchpad.net. The identification of this vulnerability is CVE-2010-1636. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1592 for this issue.

A public exploit has been developed in ANSI C. The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 440 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 47525 (Fedora 13 : kernel-2.6.33.5-112.fc13 (2010-9183)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 118295 (Fedora Update for Kernel (FEDORA-2010-9183)).

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 Exploit-DB (34001), Tenable (47525), SecurityFocus (BID 40241†) and Vulnerability Center (SBV-25799†). The entry VDB-53101 is pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.7

VulDB Base Score: 4.0
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 47525
Nessus Name: Fedora 13 : kernel-2.6.33.5-112.fc13 (2010-9183)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 862128
OpenVAS Name: Fedora Update for kernel FEDORA-2010-9183
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/24/2009 🔍
04/29/2010 +400 days 🔍
05/18/2010 +19 days 🔍
05/18/2010 +0 days 🔍
05/20/2010 +2 days 🔍
06/07/2010 +18 days 🔍
06/07/2010 +0 days 🔍
03/19/2015 +1746 days 🔍
11/23/2024 +3537 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: bugs.launchpad.net
Researcher: Dan Rosenberg
Status: Not defined
Confirmation: 🔍

CVE: CVE-2010-1636 (🔍)
GCVE (CVE): GCVE-0-2010-1636
GCVE (VulDB): GCVE-100-53477

OVAL: 🔍

SecurityFocus: 40241 - Linux Kernel Btrfs Cloned File Security Bypass Vulnerability
Vulnerability Center: 25799 - Linux Kernel Btrfs Prior to 2.6.34 Remote Security Bypass and Information Disclosure Vulnerability, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/19/2015 12:22
Updated: 11/23/2024 19:42
Changes: 03/19/2015 12:22 (60), 02/24/2017 16:55 (15), 09/14/2021 19:40 (4), 09/14/2021 19:47 (1), 11/23/2024 19:42 (19)
Complete: 🔍
Cache ID: 216:066:103

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