QNX RTOS 6.1.0 Timer memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in QNX RTOS 6.1.0. Affected by this issue is some unknown functionality of the component Timer Handler. The manipulation leads to memory corruption. This vulnerability is referenced as CVE-2002-1983. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in QNX RTOS 6.1.0 (Operating System) and classified as problematic. This issue affects an unknown code of the component Timer Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The timer implementation in QNX RTOS 6.1.0 allows local users to cause a denial of service (hang) and possibly execute arbitrary code by creating multiple timers with a 1-ms tick.

The weakness was published 12/31/2002 (Website). The advisory is shared at online.securityfocus.com. The identification of this vulnerability is CVE-2002-1983 since 06/29/2005. 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 are unknown but a public exploit is available.

A public exploit has been developed in ANSI C. The exploit is available at securityfocus.com. It is declared as proof-of-concept.

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 (10550), Exploit-DB (21984) and SecurityFocus (BID 6114†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.9
VulDB Temp Score: 5.4
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: Memory corruption
CWE: CWE-119
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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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/06/2002 🔍
12/31/2002 +55 days 🔍
12/31/2002 +0 days 🔍
06/29/2005 +911 days 🔍
08/05/2014 +3324 days 🔍
02/18/2025 +3850 days 🔍

Sourcesinfo

Advisory: online.securityfocus.com
Status: Not defined

CVE: CVE-2002-1983 (🔍)
GCVE (CVE): GCVE-0-2002-1983
GCVE (VulDB): GCVE-100-19625
X-Force: 10550 - QNX RTP timer denial of service
SecurityFocus: 6114 - QNX TimeCreate Local Denial of Service Vulnerability

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

Entryinfo

Created: 08/05/2014 11:30
Updated: 02/18/2025 06:17
Changes: 08/05/2014 11:30 (53), 06/11/2018 08:32 (5), 02/18/2025 06:17 (21)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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