Linux Kernel 2.6.28 config

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

Summaryinfo

A vulnerability marked as problematic has been reported in Linux Kernel 2.6.28. The impacted element is an unknown function. This manipulation causes config. This vulnerability is tracked as CVE-2009-1243. No exploit exists.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.28 (Operating System). It has been declared as problematic. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a config vulnerability. The CWE definition for the vulnerability is CWE-16. As an impact it is known to affect availability. The summary by CVE is:

net/ipv4/udp.c in the Linux kernel before 2.6.29.1 performs an unlocking step in certain incorrect circumstances, which allows local users to cause a denial of service (panic) by reading zero bytes from the /proc/net/udp file and unspecified other files, related to the "udp seq_file infrastructure."

The issue has been introduced in 12/25/2008. The weakness was disclosed 04/06/2009 (Website). It is possible to read the advisory at openwall.com. This vulnerability is known as CVE-2009-1243 since 04/06/2009. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592.004 according to MITRE ATT&CK.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 102 days. During that time the estimated underground price was around $5k-$25k.

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 databases at X-Force (49595), SecurityFocus (BID 34329†) and Secunia (SA34478†). The entry VDB-47526 is pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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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: 6.2
VulDB Meta Temp Score: 5.9

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

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Config
CWE: CWE-16
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

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

12/25/2008 🔍
04/01/2009 +97 days 🔍
04/03/2009 +2 days 🔍
04/06/2009 +3 days 🔍
04/06/2009 +0 days 🔍
04/06/2009 +0 days 🔍
03/17/2015 +2171 days 🔍
04/14/2019 +1489 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: openwall.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-1243 (🔍)
GCVE (CVE): GCVE-0-2009-1243
GCVE (VulDB): GCVE-100-47527
X-Force: 49595
SecurityFocus: 34329 - Linux Kernel '/proc/net/udp' Local Denial of Service Vulnerability
Secunia: 34478 - Linux Kernel Denial of Service Security Issues and Vulnerability, Not Critical
Vupen: ADV-2009-0924

See also: 🔍

Entryinfo

Created: 03/17/2015 23:38
Updated: 04/14/2019 11:32
Changes: 03/17/2015 23:38 (58), 04/14/2019 11:32 (2)
Complete: 🔍
Cache ID: 216::103

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

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