Linux Kernel 2.6.23 parisc_show_stack memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

A vulnerability has been found in Linux Kernel 2.6.23 (Operating System) and classified as problematic. Affected by this vulnerability is the function parisc_show_stack. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:

The parisc_show_stack function in arch/parisc/kernel/traps.c in the Linux kernel before 2.6.28-rc7 on PA-RISC allows local users to cause a denial of service (system crash) via vectors associated with an attempt to unwind a stack that contains userspace addresses.

The bug was discovered 07/29/2008. The weakness was published 12/08/2008 with Dell (Website). It is possible to read the advisory at xforce.iss.net. This vulnerability is known as CVE-2008-5395 since 12/08/2008. 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 vulnerability was handled as a non-public zero-day exploit for at least 426 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 38668 (Debian DSA-1787-1 : linux-2.6.24 - denial of service/privilege escalation/information leak), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 6 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (47075) and Tenable (38668). Similar entries are available at 45624, 47848, 47604 and 47248.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.2
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Nessus ID: 38668
Nessus Name: Debian DSA-1787-1 : linux-2.6.24 - denial of service/privilege escalation/information leak
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 63939
OpenVAS Name: Debian Security Advisory DSA 1787-1 (linux-2.6.24)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Timelineinfo

10/09/2007 🔍
07/29/2008 +294 days 🔍
12/04/2008 +128 days 🔍
12/04/2008 +0 days 🔍
12/08/2008 +4 days 🔍
12/08/2008 +0 days 🔍
12/08/2008 +0 days 🔍
12/08/2008 +0 days 🔍
05/02/2009 +145 days 🔍
05/04/2009 +2 days 🔍
05/11/2009 +7 days 🔍
03/17/2015 +2136 days 🔍
09/03/2019 +1631 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: xforce.iss.net
Organization: Dell
Status: Not defined
Confirmation: 🔍

CVE: CVE-2008-5395 (🔍)
OVAL: 🔍

X-Force: 47075
Vulnerability Center: 21961 - Linux Kernel < 2.6.28-rc7 on PA-RISC parisc_show_stack Function Local DoS Vulnerability, Low
SecurityFocus: 32636 - Linux Kernel 'parisc_show_stack()' Local Denial of Service Vulnerability
Secunia: 32933 - Linux Kernel Denial of Service Vulnerabilities, Not Critical
OSVDB: 50420 - CVE-2008-5395 - Linux - Kernel - Denial-Of-Service Issue

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Entryinfo

Created: 03/17/2015 16:11
Updated: 09/03/2019 10:01
Changes: 03/17/2015 16:11 (81), 09/03/2019 10:01 (5)
Complete: 🔍

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