Linux Kernel up to 2.6.13 setsockopt CAP_NET_ADMIN resource management

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 2.6.13 and classified as problematic. The impacted element is the function setsockopt. Such manipulation of the argument CAP_NET_ADMIN leads to resource management. This vulnerability is uniquely identified as CVE-2005-2800. The attack can be launched remotely. Moreover, an exploit is present. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 2.6.13 (Operating System). Affected by this issue is the function setsockopt. The manipulation of the argument CAP_NET_ADMIN with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. CVE summarizes:

Memory leak in the seq_file implemenetation in the SCSI procfs interface (sg.c) in Linux kernel 2.6.13 and earlier allows local users to cause a denial of service (memory consumption) via certain repeated reads from the /proc/scsi/sg/devices file, which is not properly handled when the next() iterator returns NULL or an error.

The bug was discovered 03/18/2005. The weakness was disclosed 08/25/2005 with Linux Kernel Team (Website). The advisory is shared for download at kernel.org. This vulnerability is handled as CVE-2005-2800 since 09/06/2005. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 616 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 21977 (CentOS 4 : kernel (CESA-2006:0101)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117768 (CentOS Security Update for Kernel (CESA-2006:0101)).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at kernel.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 6 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (26248), Tenable (21977), SecurityFocus (BID 14790†), OSVDB (19316†) and Secunia (SA16494†). The entries VDB-1713, VDB-1942, VDB-1945 and VDB-1943 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 21977
Nessus Name: CentOS 4 : kernel (CESA-2006:0101)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 56469
OpenVAS Name: Debian Security Advisory DSA 1017-1 (kernel-source-2.6.8)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: kernel.org

Timelineinfo

12/18/2003 🔍
03/18/2005 +456 days 🔍
08/25/2005 +160 days 🔍
08/26/2005 +1 days 🔍
09/06/2005 +11 days 🔍
09/06/2005 +0 days 🔍
09/06/2005 +0 days 🔍
09/09/2005 +3 days 🔍
09/12/2005 +3 days 🔍
01/17/2006 +126 days 🔍
02/23/2006 +37 days 🔍
07/05/2006 +132 days 🔍
12/19/2024 +6742 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: kernel.org
Researcher: http://kernel.org
Organization: Linux Kernel Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-2800 (🔍)
GCVE (CVE): GCVE-0-2005-2800
GCVE (VulDB): GCVE-100-1712

OVAL: 🔍

SecurityFocus: 14790 - Linux Kernel SCSI ProcFS Denial Of Service Vulnerability
Secunia: 16494 - Linux Kernel Multiple Vulnerabilities, Less Critical
OSVDB: 19316 - Linux Kernel procfs seq_file Memory Leak DoS
Vulnerability Center: 10447 - Linux Kernel 2.6.13 and Earlier Local Denial of Service via Reads from the proc/scsi/sg/devices file, Medium

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

Entryinfo

Created: 08/26/2005 11:25
Updated: 12/19/2024 22:09
Changes: 08/26/2005 11:25 (95), 07/04/2019 10:00 (2), 12/19/2024 22:09 (27)
Complete: 🔍
Cache ID: 216:F86:103

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

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