FreeBSD up to 4.6.1 accept/getsockname/getpeername integer coercion

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability was found in FreeBSD up to 4.6.1. It has been rated as problematic. This issue affects the function accept/getsockname/getpeername. This manipulation causes integer coercion. This vulnerability is handled as CVE-2002-0973. There is not any exploit available.

Detailsinfo

A vulnerability was found in FreeBSD up to 4.6.1 (Operating System). It has been declared as problematic. Affected by this vulnerability is the function accept/getsockname/getpeername. 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 signedness error in several system calls for FreeBSD 4.6.1 RELEASE-p10 and earlier may allow attackers to access sensitive kernel memory via large negative values to the (1) accept, (2) getsockname, and (3) getpeername system calls, and the (4) vesa FBIO_GETPALETTE ioctl.

The bug was discovered 08/19/2002. The weakness was released 09/24/2002 with Qualys as not defined posting (Bugtraq). The advisory is shared at marc.theaimsgroup.com. This vulnerability is known as CVE-2002-0973. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 36 days. During that time the estimated underground price was around $25k-$100k.

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 (9903), SecurityFocus (BID 5493†), OSVDB (6045†) and Vulnerability Center (SBV-22695†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.9
VulDB Temp Score: 5.9
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: 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

08/19/2002 🔍
08/19/2002 +0 days 🔍
08/19/2002 +0 days 🔍
09/24/2002 +36 days 🔍
09/24/2002 +0 days 🔍
06/25/2009 +2466 days 🔍
07/23/2014 +1854 days 🔍
09/06/2019 +1871 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: marc.theaimsgroup.com
Organization: Qualys
Status: Not defined

CVE: CVE-2002-0973 (🔍)
GCVE (CVE): GCVE-0-2002-0973
GCVE (VulDB): GCVE-100-18781
X-Force: 9903
SecurityFocus: 5493 - FreeBSD System Call Signed Integer Buffer Overflow Vulnerability
OSVDB: 6045 - FreeBSD - System Call Signed Integer Buffer Overflow Vulnerability
Vulnerability Center: 22695 - FreeBSD <= 4.6.1 RELEASE-p10 Negative Values Local Kernel Memory Disclosure Vulnerability, Low

Entryinfo

Created: 07/23/2014 11:06
Updated: 09/06/2019 17:49
Changes: 07/23/2014 11:06 (59), 09/06/2019 17:49 (3)
Complete: 🔍
Cache ID: 216::103

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

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