Apache HTTP Server 2.4.7 mod_log_config.c log_cookie input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Apache HTTP Server 2.4.7. The affected element is the function log_cookie of the file mod_log_config.c. This manipulation causes input validation. This vulnerability is tracked as CVE-2014-0098. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apache HTTP Server 2.4.7 (Web Server) and classified as problematic. Affected by this vulnerability is the function log_cookie of the file mod_log_config.c. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. The summary by CVE is:

The log_cookie function in mod_log_config.c in the mod_log_config module in the Apache HTTP Server before 2.4.8 allows remote attackers to cause a denial of service (segmentation fault and daemon crash) via a crafted cookie that is not properly handled during truncation.

The weakness was disclosed 03/19/2014 by Rainer M Canavan, Ning Zhang and Amin Tora (Neustar) as Bug 1077871 as confirmed bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2014-0098 since 12/03/2013. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 73265 (Fedora 20 : httpd-2.4.9-2.fc20 (2014-4555)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 105728 (EOL/Obsolete Software: Apache HTTP Server 2.2.x).

Upgrading to version 2.4.8 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (91879), Tenable (73265), SecurityFocus (BID 66303†) and Secunia (SA58915†). The entries VDB-4353, VDB-4352, VDB-4548 and VDB-4582 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Nessus ID: 73265
Nessus Name: Fedora 20 : httpd-2.4.9-2.fc20 (2014-4555)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 881919
OpenVAS Name: CentOS Update for httpd CESA-2014:0369 centos5
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: HTTP Server 2.4.8

Timelineinfo

12/03/2013 🔍
03/17/2014 +104 days 🔍
03/18/2014 +1 days 🔍
03/19/2014 +1 days 🔍
03/20/2014 +1 days 🔍
03/30/2014 +10 days 🔍
03/31/2014 +1 days 🔍
06/26/2014 +87 days 🔍
04/30/2019 +1769 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: Bug 1077871
Researcher: Rainer M Canavan, Ning Zhang, Amin Tora (Neustar)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-0098 (🔍)
GCVE (CVE): GCVE-0-2014-0098
GCVE (VulDB): GCVE-100-12667

OVAL: 🔍
IAVM: 🔍

X-Force: 91879 - Apache HTTP Server mod_log_config denial of service, Medium Risk
SecurityFocus: 66303 - Apache HTTP Server Multiple Denial of Service Vulnerabilities
Secunia: 58915 - IBM Rational Build Forge Apache HTTP Server mod_log_config Denial of Service Vulnerability, Less Critical

See also: 🔍

Entryinfo

Created: 03/20/2014 12:24
Updated: 04/30/2019 22:26
Changes: 03/20/2014 12:24 (87), 04/30/2019 22:26 (2)
Complete: 🔍
Cache ID: 216:0C2:103

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