mod_access_referer 1.0.2 Referer ap_parse_uri_components null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in mod_access_referer 1.0.2. Affected by this vulnerability is the function ap_parse_uri_components of the component Referer Handler. Such manipulation leads to null pointer dereference. This vulnerability is uniquely identified as CVE-2003-1054. Moreover, an exploit is present. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in mod_access_referer 1.0.2 and classified as problematic. Affected by this issue is the function ap_parse_uri_components of the component Referer Handler. 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:

mod_access_referer 1.0.2 allows remote attackers to cause a denial of service (crash) via a malformed Referer header that is missing a hostname, as parsed by the ap_parse_uri_components function in Apache, which triggers a null dereference.

The weakness was disclosed 04/16/2003 by zillion (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2003-1054 since 01/19/2005. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 19081 (FreeBSD : mod_access_referer -- NULL pointer dereference vulnerability (af747389-42ba-11d9-bd37-00065be4b5b6)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (11804), Exploit-DB (22505), Tenable (19081), SecurityFocus (BID 7375†) and Secunia (SA8612†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 19081
Nessus Name: FreeBSD : mod_access_referer -- NULL pointer dereference vulnerability (af747389-42ba-11d9-bd37-00065be4b5b6)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 52279
OpenVAS Name: FreeBSD Ports: mod_access_referer
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

01/01/2003 🔍
04/16/2003 +105 days 🔍
04/16/2003 +0 days 🔍
04/16/2003 +0 days 🔍
04/17/2003 +1 days 🔍
08/14/2003 +119 days 🔍
12/11/2004 +485 days 🔍
01/19/2005 +39 days 🔍
07/13/2005 +175 days 🔍
08/08/2014 +3313 days 🔍
12/15/2024 +3782 days 🔍

Sourcesinfo

Advisory: securityfocus.com
Researcher: zillion
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2003-1054 (🔍)
GCVE (CVE): GCVE-0-2003-1054
GCVE (VulDB): GCVE-100-20372
X-Force: 11804
SecurityFocus: 7375 - Apache Mod_Access_Referer NULL Pointer Dereference Denial of Service Vulnerability
Secunia: 8612 - "mod_access_referer" Denial of Service, Less Critical
Vulnerability Center: 1674 - DoS in Apache with mod_access_referer Module via Invalid HTTP Referer Header, High

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/08/2014 13:14
Updated: 12/15/2024 04:08
Changes: 08/08/2014 13:14 (70), 05/11/2019 12:57 (9), 12/15/2024 04:08 (27)
Complete: 🔍
Cache ID: 216::103

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