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.

Published

2008-04-04T00:44:00.000

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

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)