CVE-2008-0555

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The ExpandCert function in Apache-SSL before apache_1.3.41+ssl_1.59 does not properly handle (1) '/' and (2) '=' characters in a Distinguished Name (DN) in a client certificate, which might allow remote attackers to bypass authentication via a crafted DN that triggers overwriting of environment variables.

La función ExpandCert en Apache-SSL versiones anteriores apache_1.3.41+ssl_1.59 no gestiona correctamente los caracteres (1) '/' y (2) '=' en un Distinguished Name (DN) de un certificado de cliente, lo cual puede permitir a atacantes remotos evitar autenticarse a través de un DN manipulado que dispara la sobreescritura de variables de entorno.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2008-02-01 CVE Reserved
2008-04-04 CVE Published
2024-08-07 CVE Updated
2024-08-07 First Exploit
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-20: Improper Input Validation
CWE-287: Improper Authentication

CAPEC

References (10)

URL	Tag	Source
http://securityreason.com/securityalert/3797	Third Party Advisory
http://www.securityfocus.com/archive/1/490386/100/0/threaded	Mailing List
http://www.securitytracker.com/id?1019784	Vdb Entry
http://www.vupen.com/english/advisories/2008/1079/references	Vdb Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/41618	Vdb Entry

URL	Date	SRC
http://www.apache-ssl.org/advisory-cve-2008-0555.txt	2024-08-07
http://www.cynops.de/advisories/CVE-2008-0555.txt	2024-08-07
http://www.klink.name/security/aklink-sa-2008-005-apache-ssl.txt	2024-08-07

URL	Date	SRC
http://www.securityfocus.com/bid/28576	2018-10-15

URL	Date	SRC
http://secunia.com/advisories/29644	2018-10-15

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apache-ssl Search vendor "Apache-ssl"		Apache-ssl Search vendor "Apache-ssl" for product "Apache-ssl"				1.3.34_1.57 Search vendor "Apache-ssl" for product "Apache-ssl" and version "1.3.34_1.57"		-		Affected