VDB-59082 · CVE-2011-4060 · BID 46838

QNX Neutrino RTOS 6.5.0 Runtime Linker link following

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in QNX Neutrino RTOS 6.5.0. Affected by this issue is some unknown functionality of the component Runtime Linker. The manipulation results in link following. This vulnerability is reported as CVE-2011-4060. No exploit exists.

Detailsinfo

A vulnerability was found in QNX Neutrino RTOS 6.5.0 (Operating System). It has been classified as problematic. Affected is some unknown functionality of the component Runtime Linker. The manipulation with an unknown input leads to a link following vulnerability. CWE is classifying the issue as CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. This is going to have an impact on integrity, and availability. CVE summarizes:

The runtime linker in QNX Neutrino RTOS 6.5.0 does not properly clear the LD_DEBUG_OUTPUT and LD_DEBUG environment variables when a program is spawned from a setuid program, which allows local users to overwrite files via a symlink attack.

The weakness was disclosed 03/10/2011 by Tim Brown with Brown (Website). The advisory is available at securityfocus.com. This vulnerability is traded as CVE-2011-4060 since 10/15/2011. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

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 SecurityFocus (BID 46838†) and OSVDB (71784†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.1
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/10/2011 🔍
03/11/2011 +1 days 🔍
04/13/2011 +33 days 🔍
10/15/2011 +184 days 🔍
10/17/2011 +2 days 🔍
03/23/2015 +1253 days 🔍
01/26/2018 +1040 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Tim Brown
Organization: Brown
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-4060 (🔍)
GCVE (CVE): GCVE-0-2011-4060
GCVE (VulDB): GCVE-100-59082
SecurityFocus: 46838 - QNX Neutrino RTOS 'LD_DEBUG_OUTPUT' Local Privilege Escalation Vulnerability
OSVDB: 71784 - QNX Neutrino RTOS LD_DEBUG_OUTPUT Environment Variable Arbitrary File Overwrite

Entryinfo

Created: 03/23/2015 16:50
Updated: 01/26/2018 08:13
Changes: 03/23/2015 16:50 (56), 01/26/2018 08:13 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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