Vulnerability CVE-2008-0555
Published: 2008-04-03   Modified: 2012-02-12

Description:
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.

See advisories in our WLB2 database:
Topic
Author
Date
Low
Apache-SSL memory disclosure
Alexander Klink
04.04.2008

Type:

CWE-287

 (Improper Authentication)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Apache-ssl -> Apache-ssl 

 References:
http://securityreason.com/securityalert/3797
http://www.apache-ssl.org/advisory-cve-2008-0555.txt
http://www.cynops.de/advisories/CVE-2008-0555.txt
http://www.klink.name/security/aklink-sa-2008-005-apache-ssl.txt
http://www.securityfocus.com/archive/1/490386/100/0/threaded
http://www.securityfocus.com/bid/28576
http://www.securitytracker.com/id?1019784
http://www.vupen.com/english/advisories/2008/1079/references
https://exchange.xforce.ibmcloud.com/vulnerabilities/41618
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