mod_security up to 2.1 POST Data privileges management

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in mod_security up to 2.1. It has been classified as problematic. This vulnerability affects unknown code of the component POST Data Handler. Performing a manipulation results in privileges management. This vulnerability was named CVE-2007-1359. In addition, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in mod_security up to 2.1. This affects an unknown code block of the component POST Data Handler. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:

Interpretation conflict in ModSecurity (mod_security) 2.1.0 and earlier allows remote attackers to bypass request rules via application/x-www-form-urlencoded POST data that contains an ASCIIZ (0x00) byte, which mod_security treats as a terminator even though it is still processed as normal data by some HTTP parsers including PHP 5.2.0, and possibly parsers in Perl, and Python.

The bug was discovered 03/06/2007. The weakness was presented 03/07/2007 by Stefan Esser with Hardened PHP Project (Website). The advisory is shared at php-security.org. This vulnerability is uniquely identified as CVE-2007-1359 since 03/08/2007. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

After even before and not, there has been an exploit disclosed. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 67124 (ModSecurity < 2.1.1 POST Data Null Byte Filter Bypass), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Firewalls and running in the context r.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at modsecurity.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (32872), Exploit-DB (3425), Tenable (67124), SecurityFocus (BID 22831†) and OSVDB (32778†). Further details are available at fadetoblack.ch. See VDB-43268 for similar entry. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.8
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
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: 67124
Nessus Name: ModSecurity < 2.1.1 POST Data Null Byte Filter Bypass
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 58279
OpenVAS Name: Gentoo Security Advisory GLSA 200705-17 (mod_security)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: modsecurity.org

Timelineinfo

03/06/2007 🔍
03/06/2007 +0 days 🔍
03/06/2007 +0 days 🔍
03/06/2007 +0 days 🔍
03/07/2007 +1 days 🔍
03/08/2007 +1 days 🔍
03/08/2007 +0 days 🔍
03/09/2007 +1 days 🔍
03/14/2007 +4 days 🔍
05/17/2007 +64 days 🔍
05/28/2007 +11 days 🔍
07/16/2008 +415 days 🔍
07/02/2013 +1812 days 🔍
02/06/2025 +4237 days 🔍

Sourcesinfo

Advisory: php-security.org
Researcher: Stefan Esser
Organization: Hardened PHP Project
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-1359 (🔍)
GCVE (CVE): GCVE-0-2007-1359
GCVE (VulDB): GCVE-100-2973
X-Force: 32872 - ModSecurity x-www-form-urlencoded security bypass, Medium Risk
SecurityFocus: 22831 - Mod_Security ASCIIZ Byte POST Bypass Vulnerability
Secunia: 31113
OSVDB: 32778 - ModSecurity (mod_security) POST Data Null Byte Filter Bypass
Vulnerability Center: 15237 - [cpujul2008-090335] Mod_Security Misinterpretation of POST Data Allows Remote Attacker to Bypass Restrictions, Medium
Vupen: ADV-2008-2115

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 03/14/2007 12:17
Updated: 02/06/2025 08:58
Changes: 03/14/2007 12:17 (99), 07/19/2019 20:36 (1), 02/06/2025 08:58 (16)
Complete: 🔍
Cache ID: 216:F74:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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