Apache log4net 1.2.9 LocalSyslogAppender format string

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Apache log4net 1.2.9. Affected by this vulnerability is an unknown functionality of the component LocalSyslogAppender. The manipulation results in format string. This vulnerability is identified as CVE-2006-0743. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in Apache log4net 1.2.9. Affected is an unknown function of the component LocalSyslogAppender. The manipulation with an unknown input leads to a format string vulnerability. CWE is classifying the issue as CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Format string vulnerability in LocalSyslogAppender in Apache log4net 1.2.9 might allow remote attackers to cause a denial of service (memory corruption and termination) via unknown vectors.

The weakness was released 03/07/2006 by Sebastian Krahmer as 19241 as confirmed advisory (Secunia). The advisory is available at secunia.com. This vulnerability is traded as CVE-2006-0743 since 02/17/2006. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 27343 (openSUSE 10 Security Update : log4net (log4net-2211)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks.

Upgrading to version 1.2.10 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (25196), Tenable (27343), SecurityFocus (BID 17095†), OSVDB (23905†) and Secunia (SA19241†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Format string
CWE: CWE-134 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 27343
Nessus Name: openSUSE 10 Security Update : log4net (log4net-2211)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: log4net 1.2.10

Timelineinfo

02/17/2006 🔍
03/07/2006 +18 days 🔍
03/09/2006 +1 days 🔍
03/09/2006 +0 days 🔍
03/14/2006 +5 days 🔍
03/14/2006 +0 days 🔍
10/24/2007 +588 days 🔍
03/12/2015 +2696 days 🔍
07/08/2021 +2310 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: 19241⛔
Researcher: Sebastian Krahmer
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-0743 (🔍)
GCVE (CVE): GCVE-0-2006-0743
GCVE (VulDB): GCVE-100-29106
X-Force: 25196 - log4net LocalSyslogAppender denial of service
SecurityFocus: 17095 - Apache Log4Net Denial Of Service Vulnerability
Secunia: 19241
OSVDB: 23905 - Apache Log4net LocalSyslogAppender Format String Memory Corruption DoS
Vulnerability Center: 16649 - Apache Log4net Vulnerability Allows Remote Attackers to Cause DoS, Medium
Vupen: ADV-2006-0955

Entryinfo

Created: 03/12/2015 12:19
Updated: 07/08/2021 10:24
Changes: 03/12/2015 12:19 (48), 04/10/2017 10:59 (26), 07/08/2021 10:24 (2)
Complete: 🔍
Cache ID: 216:2BC:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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