Linux Kernel up to 2.6.20.7 nl_fib_lookup resource management

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel up to 2.6.20.7. This issue affects the function nl_fib_lookup. The manipulation results in resource management. This vulnerability is reported as CVE-2007-1861. Moreover, an exploit is present. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Linux Kernel up to 2.6.20.7 (Operating System). Affected is the function nl_fib_lookup. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. CVE summarizes:

The nl_fib_lookup function in net/ipv4/fib_frontend.c in Linux Kernel before 2.6.20.8 allows attackers to cause a denial of service (kernel panic) via NETLINK_FIB_LOOKUP replies, which trigger infinite recursion and a stack overflow.

The bug was discovered 04/25/2007. The weakness was disclosed 05/07/2007 by Alex (Website). The advisory is shared for download at issues.rpath.com. This vulnerability is traded as CVE-2007-1861 since 04/04/2007. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. 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. The vulnerability was handled as a non-public zero-day exploit for at least 12 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 63402 (GLSA-201301-01 : Mozilla Products: Multiple vulnerabilities (BEAST)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 156097 (Oracle Enterprise Linux Update for Kernel (ELSA-2007-0347)).

Upgrading to version 2.6.20.8 eliminates this vulnerability. A possible mitigation has been published 7 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (34014), Exploit-DB (29916), Tenable (63402), SecurityFocus (BID 23677†) and OSVDB (34741†). The entries VDB-2979, VDB-2978, VDB-3041 and VDB-3146 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.6

VulDB Base Score: 6.2
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
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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Nessus ID: 63402
Nessus Name: GLSA-201301-01 : Mozilla Products: Multiple vulnerabilities (BEAST)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 58340
OpenVAS Name: Debian Security Advisory DSA 1289-1 (linux-2.6)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Kernel 2.6.20.8

Timelineinfo

04/04/2007 🔍
04/25/2007 +21 days 🔍
04/25/2007 +0 days 🔍
04/26/2007 +1 days 🔍
05/01/2007 +5 days 🔍
05/06/2007 +5 days 🔍
05/07/2007 +1 days 🔍
05/07/2007 +0 days 🔍
01/08/2013 +2073 days 🔍
01/08/2013 +0 days 🔍
03/13/2015 +794 days 🔍
12/22/2024 +3572 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: issues.rpath.com
Researcher: Alex
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-1861 (🔍)
GCVE (CVE): GCVE-0-2007-1861
GCVE (VulDB): GCVE-100-36612

OVAL: 🔍

X-Force: 34014
SecurityFocus: 23677 - Linux Kernel NETLINK_FIB_LOOKUP Local Denial of Service Vulnerability
Secunia: 25030
OSVDB: 34741 - Linux kernel NETLINK_FIB_LOOKUP denial of service
Vulnerability Center: 14991 - Linux Kernel Netlink Protocol Infinite Recursion Bug Allows Local DoS, Medium
Vupen: ADV-2007-1595

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

Entryinfo

Created: 03/13/2015 14:56
Updated: 12/22/2024 04:30
Changes: 03/13/2015 14:56 (87), 07/18/2019 16:40 (5), 12/22/2024 04:30 (19)
Complete: 🔍
Cache ID: 216:BC9:103

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