Apache HTTP Server 2.2.13 mod_proxy_ftp ap_proxy_ftp_handler null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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3.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Apache HTTP Server 2.2.13. This issue affects the function ap_proxy_ftp_handler of the component mod_proxy_ftp. Such manipulation leads to null pointer dereference. This vulnerability is documented as CVE-2009-3094. There is not any exploit available.

Detailsinfo

A vulnerability was found in Apache HTTP Server 2.2.13 (Web Server) and classified as problematic. Affected by this issue is the function ap_proxy_ftp_handler of the component mod_proxy_ftp. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. CVE summarizes:

The ap_proxy_ftp_handler function in modules/proxy/proxy_ftp.c in the mod_proxy_ftp module in the Apache HTTP Server 2.0.63 and 2.2.13 allows remote FTP servers to cause a denial of service (NULL pointer dereference and child process crash) via a malformed reply to an EPSV command.

The weakness was released 09/08/2009 with Intevydis (Website). The advisory is shared for download at redhat.com. This vulnerability is handled as CVE-2009-3094. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/22/2021).

The vulnerability scanner Nessus provides a plugin with the ID 67073 (CentOS 3 / 5 : httpd (CESA-2009:1579)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 118079 (HP-UX Running Apache-Based Web Server Remote Denial of Service Vulnerability (HPSBUX02531)).

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 Tenable (67073), SecurityFocus (BID 36254†) and Vulnerability Center (SBV-23878†). Entry connected to this vulnerability is available at VDB-49857. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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  • end of life (old version)

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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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Nessus ID: 67073
Nessus Name: CentOS 3 / 5 : httpd (CESA-2009:1579)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 66780
OpenVAS Name: Slackware Advisory SSA:2010-024-01 httpd
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/03/2009 🔍
09/03/2009 +0 days 🔍
09/08/2009 +4 days 🔍
09/08/2009 +0 days 🔍
09/08/2009 +0 days 🔍
10/27/2009 +49 days 🔍
06/29/2013 +1341 days 🔍
03/18/2015 +627 days 🔍
08/22/2021 +2349 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: redhat.com
Organization: Intevydis
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-3094 (🔍)
GCVE (CVE): GCVE-0-2009-3094
GCVE (VulDB): GCVE-100-49856

OVAL: 🔍

SecurityFocus: 36254 - Apache mod_proxy_ftp Remote Command Injection Vulnerability
Vulnerability Center: 23878 - Apache HTTP Server and IBM HTTP Server NULL Pointer Dereference Vulnerability, High

See also: 🔍

Entryinfo

Created: 03/18/2015 15:15
Updated: 08/22/2021 08:21
Changes: 03/18/2015 15:15 (63), 02/16/2017 10:04 (9), 08/22/2021 08:19 (4), 08/22/2021 08:21 (1)
Complete: 🔍
Cache ID: 216::103

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