Linux Kernel up to 2.4.20 on AMD64 copy_from_user length integer coercion

CVSS Meta Temp Score
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 2.4.20 on AMD64. The affected element is the function copy_from_user. The manipulation of the argument length leads to integer coercion. This vulnerability is documented as CVE-2003-0959. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 2.4.20 on AMD64 (Operating System). This issue affects the function copy_from_user. The manipulation of the argument length with an unknown input leads to a integer coercion vulnerability. Using CWE to declare the problem leads to CWE-192. Integer coercion refers to a set of flaws pertaining to the type casting, extension, or truncation of primitive data types. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Multiple integer overflows in the 32bit emulation for AMD64 architectures in Linux 2.4 kernel before 2.4.21 allows attackers to cause a denial of service or gain root privileges via unspecified vectors that trigger copy_from_user function calls with improper length arguments.

The weakness was released 12/31/2003 (Website). It is possible to read the advisory at xforce.iss.net. The identification of this vulnerability is CVE-2003-0959 since 11/26/2003. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 2.4.21 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (43072) and Vulnerability Center (SBV-29298†). Entries connected to this vulnerability are available at VDB-21072 and VDB-21070. 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: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
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: Integer coercion
CWE: CWE-192 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 2.4.21

Timelineinfo

11/26/2003 🔍
12/31/2003 +35 days 🔍
12/31/2003 +0 days 🔍
12/31/2003 +0 days 🔍
01/19/2011 +2576 days 🔍
08/22/2014 +1311 days 🔍
03/14/2017 +935 days 🔍

Sourcesinfo

Vendor: kernel.org

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

CVE: CVE-2003-0959 (🔍)
GCVE (CVE): GCVE-0-2003-0959
GCVE (VulDB): GCVE-100-21071
X-Force: 43072
Vulnerability Center: 29298 - Linux Kernel 2.4-2.4.21 Remote Denial of Service or Privilege Escalation Vulnerability, Critical

See also: 🔍

Entryinfo

Created: 08/22/2014 13:11
Updated: 03/14/2017 07:59
Changes: 08/22/2014 13:11 (51), 03/14/2017 07:59 (9)
Complete: 🔍
Cache ID: 216:A12:103

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

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