FreeBSD up to 5.0 catopen Environment Variable memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in FreeBSD up to 5.0. Impacted is the function catopen. The manipulation as part of Environment Variable results in memory corruption. This vulnerability is reported as CVE-2000-1011. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in FreeBSD up to 5.0 (Operating System). Affected is the function catopen. The manipulation as part of a Environment Variable leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in catopen() function in FreeBSD 5.0 and earlier, and possibly other OSes, allows local users to gain root privileges via a long environmental variable.

The weakness was disclosed 09/27/2000 as not defined advisory (Website). The advisory is shared for download at ftp.FreeBSD.org. This vulnerability is traded as CVE-2000-1011. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at X-Force (5638) and OSVDB (6070†). The entries VDB-16033 and VDB-16034 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.9

VulDB Base Score: 9.3
VulDB Temp Score: 8.9
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: Memory corruption
CWE: CWE-119
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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/27/2000 🔍
12/11/2000 +75 days 🔍
04/09/2004 +1214 days 🔍
06/30/2014 +3734 days 🔍
05/28/2018 +1428 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: ftp.FreeBSD.org
Status: Not defined

CVE: CVE-2000-1011 (🔍)
GCVE (CVE): GCVE-0-2000-1011
GCVE (VulDB): GCVE-100-16032
X-Force: 5638 - FreeBSD catopen function could have a buffer overflow which could allow for arbitrary execution of code
OSVDB: 6070 - FreeBSD catopen() Local Overflow

See also: 🔍

Entryinfo

Created: 06/30/2014 16:29
Updated: 05/28/2018 09:10
Changes: 06/30/2014 16:29 (50), 05/28/2018 09:10 (6)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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