VDB-21127 · CVE-2003-1161 · BID 8987

Linux Kernel 2.6 Test9 Cvs exit.c sys_wait4 __WCLONE|__WALL backdoor

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel 2.6 Test9 Cvs. The impacted element is the function sys_wait4 of the file exit.c. This manipulation of the argument __WCLONE|__WALL causes backdoor. This vulnerability is tracked as CVE-2003-1161. No exploit exists.

Detailsinfo

A vulnerability has been found in Linux Kernel 2.6 Test9 Cvs (Operating System) and classified as critical. Affected by this vulnerability is the function sys_wait4 of the file exit.c. The manipulation of the argument __WCLONE|__WALL with an unknown input leads to a backdoor vulnerability. The CWE definition for the vulnerability is CWE-912. The product contains functionality that is not documented, not part of the specification, and not accessible through an interface or command sequence that is obvious to the product's users or administrators. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

exit.c in Linux kernel 2.6-test9-CVS, as stored on kernel.bkbits.net, was modified to contain a backdoor, which could allow local users to elevate their privileges by passing __WCLONE|__WALL to the sys_wait4 function.

The weakness was disclosed 12/31/2003 (Website). It is possible to read the advisory at ussg.iu.edu. This vulnerability is known as CVE-2003-1161 since 05/04/2005. 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. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/16/2018). The attack technique deployed by this issue is T1588.001 according to MITRE ATT&CK.

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 vulnerability database at SecurityFocus (BID 8987†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 8.4
VulDB Temp Score: 8.4
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: Backdoor
CWE: CWE-912
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

11/05/2003 🔍
12/31/2003 +56 days 🔍
12/31/2003 +0 days 🔍
05/04/2005 +490 days 🔍
08/22/2014 +3397 days 🔍
06/16/2018 +1394 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: ussg.iu.edu
Status: Not defined

CVE: CVE-2003-1161 (🔍)
GCVE (CVE): GCVE-0-2003-1161
GCVE (VulDB): GCVE-100-21127
SecurityFocus: 8987

Entryinfo

Created: 08/22/2014 13:29
Updated: 06/16/2018 10:03
Changes: 08/22/2014 13:29 (49), 06/16/2018 10:03 (3)
Complete: 🔍
Cache ID: 216::103

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