VDB-28085 · CVE-2005-4776 · OSVDB 20757

NetBSD up to 2.0.2 freebsd_misc.c integer coercion

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8.0	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in NetBSD up to 2.0.2. This affects an unknown part of the file freebsd_misc.c. The manipulation leads to integer coercion. This vulnerability is referenced as CVE-2005-4776. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in NetBSD up to 2.0.2 (Operating System) and classified as critical. This issue affects an unknown functionality of the file freebsd_misc.c. The manipulation with an unknown input leads to a integer coercion vulnerability. Using CWE to declare the problem leads to CWE-192. Integer coercion refers to a set of flaws pertaining to the type casting, extension, or truncation of primitive data types. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Integer overflow in the FreeBSD compatibility code (freebsd_misc.c) in NetBSD-current, NetBSD-3, NetBSD-2.0, and NetBSD-2 before 20050913; and NetBSD-1.6 before 20050914; allows local users to cause a denial of service (heap corruption or system crash) and possibly gain root privileges.

The weakness was published 10/31/2005 by Christer Oeberg (Website). The advisory is shared at mail-index.netbsd.org. The identification of this vulnerability is CVE-2005-4776 since 04/13/2006. 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 known, but no exploit is available.

Upgrading to version netbsd-2.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at OSVDB (20757†). Similar entry is available at VDB-28088. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Operating System

Name

NetBSD

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.4
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: NetBSD netbsd-2.0

Timelineinfo

10/31/2005 🔍
11/13/2005 +13 days 🔍
12/31/2005 +47 days 🔍
04/13/2006 +103 days 🔍
03/12/2015 +3255 days 🔍
07/16/2018 +1222 days 🔍

Sourcesinfo

Advisory: mail-index.netbsd.org
Researcher: Christer Oeberg
Status: Not defined

CVE: CVE-2005-4776 (🔍)
GCVE (CVE): GCVE-0-2005-4776
GCVE (VulDB): GCVE-100-28085
OSVDB: 20757 - NetBSD FreeBSD Binary Emulation Compatibility Code Local Overflow

See also: 🔍

Entryinfo

Created: 03/12/2015 11:11
Updated: 07/16/2018 09:23
Changes: 03/12/2015 11:11 (46), 07/16/2018 09:23 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.