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CVE-2010-0433

CVE information

Published

12 years ago

Last Modified

3 years ago

CVSSv2.0 Severity

Medium

Impact Analysis

Description

The kssl_keytab_is_available function in ssl/kssl.c in OpenSSL before 0.9.8n, when Kerberos is enabled but Kerberos configuration files cannot be opened, does not check a certain return value, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via SSL cipher negotiation, as demonstrated by a chroot installation of Dovecot or stunnel without Kerberos configuration files inside the chroot..

CVSSv2.0 Score

Severity
Medium
Base Score
4.3/10
Exploit Score
8.6/10
Access Vector
Network
Access Complexity
Medium
Authentication Required
None
Impact Score
2.9/10
Confidentiality Impact
None
Availability Impact
Partial
Integrity Impact
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:openssl:openssl:0.9.8b:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:0.9.8c:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:0.9.8e:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:0.9.8g:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:0.9.8k:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:0.9.8d:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:0.9.8j:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:0.9.8l:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:0.9.8i:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:0.9.8h:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:0.9.8a:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:0.9.8:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:0.9.8f:*:*:*:*:*:*:*
  Yes
- -

References