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CVE-2010-0433
CVE information
Published
Last Modified
CVSSv2.0 Severity
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:0.9.8a:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:openssl:openssl:0.9.8:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:openssl:openssl:0.9.8i:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:openssl:openssl:0.9.8f:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:openssl:openssl:0.9.8h:*:*:*:*:*:*:* |
Yes
|
- | - |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=569774
- http://groups.google.com/group/mailing.openssl.users/browse_thread/thread/c3e1ab0034ca4b
- http://www.openwall.com/lists/oss-security/2010/03/03/5
- http://cvs.openssl.org/chngview?cn=19374
- http://www.openssl.org/news/changelog.html
- https://bugzilla.redhat.com/show_bug.cgi?id=567711
- http://www.vupen.com/english/advisories/2010/0839
- http://lists.fedoraproject.org/pipermail/package-announce/2010-April/038587.html
- http://www.vupen.com/english/advisories/2010/0933
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:076
- http://secunia.com/advisories/39461
- http://lists.fedoraproject.org/pipermail/package-announce/2010-April/039561.html
- http://www.vupen.com/english/advisories/2010/0916
- http://www.vupen.com/english/advisories/2010/1216
- http://aix.software.ibm.com/aix/efixes/security/openssl_advisory.asc
- http://secunia.com/advisories/39932
- https://kb.bluecoat.com/index?page=content&id=SA50
- http://secunia.com/advisories/42733
- http://secunia.com/advisories/42724
- http://www.vmware.com/support/vsphere4/doc/vsp_vc41_u1_rel_notes.html
- http://www.vmware.com/security/advisories/VMSA-2011-0003.html
- https://lists.balabit.com/pipermail/syslog-ng-announce/2011-January/000102.html
- https://lists.balabit.com/pipermail/syslog-ng-announce/2011-January/000101.html
- http://secunia.com/advisories/43311
- http://marc.info/?l=bugtraq&m=127128920008563&w=2
- http://marc.info/?l=bugtraq&m=127557640302499&w=2
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1
- http://www.securityfocus.com/archive/1/516397/100/0/threaded
- http://www.mail-archive.com/dovecot%40dovecot.org/msg26224.html