OpenBSD 3.8/3.9 systrace_preprepl integer coercion

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in OpenBSD 3.8/3.9. Affected by this issue is the function systrace_preprepl. This manipulation causes integer coercion. This vulnerability is handled as CVE-2006-5218. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as problematic was found in OpenBSD 3.8/3.9 (Operating System). Affected by this vulnerability is the function systrace_preprepl. The manipulation with an unknown input leads to a integer coercion vulnerability. The CWE definition for the vulnerability is CWE-192. Integer coercion refers to a set of flaws pertaining to the type casting, extension, or truncation of primitive data types. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Integer overflow in the systrace_preprepl function (STRIOCREPLACE) in systrace in OpenBSD 3.9 and NetBSD 3 allows local users to cause a denial of service (crash), gain privileges, or read arbitrary kernel memory via large numeric arguments to the systrace ioctl.

The weakness was released 10/07/2006 by Chris Evans with Google Security Team (Website). It is possible to read the advisory at openbsd.org. This vulnerability is known as CVE-2006-5218 since 10/09/2006. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at X-Force (29392), SecurityFocus (BID 20392†), OSVDB (29570†), Secunia (SA22324†) and SecurityTracker (ID 1017009†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.9
VulDB Temp Score: 5.2
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: Integer coercion
CWE: CWE-192 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/07/2006 🔍
10/07/2006 +0 days 🔍
10/08/2006 +0 days 🔍
10/09/2006 +1 days 🔍
10/09/2006 +0 days 🔍
10/09/2006 +0 days 🔍
10/10/2006 +0 days 🔍
03/12/2015 +3075 days 🔍
08/05/2018 +1242 days 🔍

Sourcesinfo

Advisory: openbsd.org
Researcher: Chris Evans
Organization: Google Security Team
Status: Confirmed

CVE: CVE-2006-5218 (🔍)
GCVE (CVE): GCVE-0-2006-5218
GCVE (VulDB): GCVE-100-32671
X-Force: 29392 - OpenBSD and NetBSD systrace_preprepl() integer overflow
SecurityFocus: 20392 - OpenBSD Systrace STRIOCREPLACE Local Integer Overflow Vulnerability
Secunia: 22324 - OpenBSD systrace "systrace_preprepl()" Integer Overflow Vulnerability, Less Critical
OSVDB: 29570 - Multiple BSD systrace systrace_preprepl() Function Overflow
SecurityTracker: 1017009

Entryinfo

Created: 03/12/2015 15:51
Updated: 08/05/2018 06:47
Changes: 03/12/2015 15:51 (61), 08/05/2018 06:47 (6)
Complete: 🔍
Cache ID: 216:A7B:103

Be aware that VulDB is the high quality source for vulnerability data.

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