Vulnerability Monitor

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CVE-2008-0555

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.

Security Impact Summary

CVE-2008-0555 is a security vulnerability that . Impacting 1 product from apache-ssl organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2008, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2008-04-04T00:44:00.000

Last Modified

2026-06-16T22:49:52.087

Status

Modified

Source

[email protected]

Severity

CVSSv2: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-20
CWE-287

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	apache-ssl	apache-ssl	1.3.34_1.57	Yes

References

http://secunia.com/advisories/29644 Vendor Advisory ([email protected])
http://securityreason.com/securityalert/3797 ([email protected])
http://www.apache-ssl.org/advisory-cve-2008-0555.txt Exploit ([email protected])
http://www.cynops.de/advisories/CVE-2008-0555.txt Exploit ([email protected])
http://www.klink.name/security/aklink-sa-2008-005-apache-ssl.txt Exploit ([email protected])
http://www.securityfocus.com/archive/1/490386/100/0/threaded ([email protected])
http://www.securityfocus.com/bid/28576 Patch ([email protected])
http://www.securitytracker.com/id?1019784 ([email protected])
http://www.vupen.com/english/advisories/2008/1079/references ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/41618 ([email protected])
http://secunia.com/advisories/29644 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://securityreason.com/securityalert/3797 (af854a3a-2127-422b-91ae-364da2661108)
http://www.apache-ssl.org/advisory-cve-2008-0555.txt Exploit (af854a3a-2127-422b-91ae-364da2661108)
http://www.cynops.de/advisories/CVE-2008-0555.txt Exploit (af854a3a-2127-422b-91ae-364da2661108)
http://www.klink.name/security/aklink-sa-2008-005-apache-ssl.txt Exploit (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/490386/100/0/threaded (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/28576 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1019784 (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2008/1079/references (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/41618 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For apache-ssl's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.