NetBSD 2.0 dec/systrace systrace_exit Local Privilege Escalation

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in NetBSD 2.0. This issue affects the function systrace_exit of the file dec/systrace. Performing a manipulation results in Local Privilege Escalation. This vulnerability was named CVE-2004-2012. In addition, an exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in NetBSD 2.0 (Operating System). It has been classified as critical. This affects the function systrace_exit of the file dec/systrace. The manipulation with an unknown input leads to a local privilege escalation vulnerability. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The systrace_exit function in the systrace utility for NetBSD-current and 2.0 before April 16, 2004, and certain FreeBSD ports, does not verify the owner of the /dec/systrace connection before setting euid to 0, which allows local users to gain root privileges.

The weakness was presented 12/31/2004 by Stefan Esser (Website). It is possible to read the advisory at marc.theaimsgroup.com. This vulnerability is uniquely identified as CVE-2004-2012 since 05/04/2005. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

A public exploit has been developed in ANSI C. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k.

Upgrading to version 2.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (16110), Exploit-DB (24113), SecurityFocus (BID 10320†) and Secunia (SA11585†). 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: 8.4
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.4
VulDB Temp Score: 7.6
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: Local Privilege Escalation
CWE: Unknown
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: NetBSD 2.0

Timelineinfo

05/11/2004 🔍
05/11/2004 +0 days 🔍
12/31/2004 +234 days 🔍
12/31/2004 +0 days 🔍
05/04/2005 +124 days 🔍
03/09/2015 +3596 days 🔍
08/15/2024 +3447 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Researcher: Stefan Esser
Status: Confirmed

CVE: CVE-2004-2012 (🔍)
GCVE (CVE): GCVE-0-2004-2012
GCVE (VulDB): GCVE-100-22983
X-Force: 16110 - Systrace allows elevated privileges
SecurityFocus: 10320
Secunia: 11585 - NetBSD Systrace Privilege Escalation Vulnerability, Less Critical

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

Entryinfo

Created: 03/09/2015 15:52
Updated: 08/15/2024 12:25
Changes: 03/09/2015 15:52 (55), 06/23/2018 07:19 (8), 08/15/2024 12:25 (22)
Complete: 🔍
Cache ID: 216:1F9:103

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

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