CVE-2012-4528

ModSecurity - 'POST' Security Bypass

Severity Score

9.1

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The mod_security2 module before 2.7.0 for the Apache HTTP Server allows remote attackers to bypass rules, and deliver arbitrary POST data to a PHP application, via a multipart request in which an invalid part precedes the crafted data.

El módulo mod_security2 antes de v2.7.0 para el Servidor HTTP Apache permite a atacantes remotos evitar las reglas y entregar datos POST de su elección a una aplicación PHP, a través de una solicitud multipart en la que una parte no válida precede a los datos elaborados.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2012-08-21 CVE Reserved
2012-10-17 First Exploit
2012-12-28 CVE Published
2024-08-06 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (11)

URL	Tag	Source
http://mod-security.svn.sourceforge.net/viewvc/mod-security/m2/branches/2.7.x/CHANGES	Broken Link
http://mod-security.svn.sourceforge.net/viewvc/mod-security/m2/trunk/apache2/msc_multipart.c?sortby=date&r1=2081&r2=2080&pathrev=2081	Broken Link
http://mod-security.svn.sourceforge.net/viewvc/mod-security?view=revision&sortby=date&revision=2081	Broken Link
http://www.openwall.com/lists/oss-security/2012/10/18/14	Mailing List
https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20121017-0_mod_security_ruleset_bypass.txt	Third Party Advisory

URL	Date	SRC
https://www.exploit-db.com/exploits/37949	2012-10-17
http://seclists.org/fulldisclosure/2012/Oct/113	2024-08-06

URL	Date	SRC

URL	Date	SRC
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093011.html	2021-02-12
http://lists.opensuse.org/opensuse-updates/2013-08/msg00020.html	2021-02-12
http://lists.opensuse.org/opensuse-updates/2013-08/msg00025.html	2021-02-12
http://lists.opensuse.org/opensuse-updates/2013-08/msg00031.html	2021-02-12

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Trustwave Search vendor "Trustwave"		Modsecurity Search vendor "Trustwave" for product "Modsecurity"				< 2.7.0 Search vendor "Trustwave" for product "Modsecurity" and version " < 2.7.0"		-		Affected
Opensuse Search vendor "Opensuse"		Opensuse Search vendor "Opensuse" for product "Opensuse"				11.4 Search vendor "Opensuse" for product "Opensuse" and version "11.4"		-		Affected
Opensuse Search vendor "Opensuse"		Opensuse Search vendor "Opensuse" for product "Opensuse"				12.2 Search vendor "Opensuse" for product "Opensuse" and version "12.2"		-		Affected
Opensuse Search vendor "Opensuse"		Opensuse Search vendor "Opensuse" for product "Opensuse"				12.3 Search vendor "Opensuse" for product "Opensuse" and version "12.3"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				18 Search vendor "Fedoraproject" for product "Fedora" and version "18"		-		Affected