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CVE-2010-0433

Publication date 5 March 2010

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
openssl 9.10 karmic
Not affected
9.04 jaunty
Not affected
8.10 intrepid
Not affected
8.04 LTS hardy
Not affected
6.06 LTS dapper
Not affected

Notes

mdeslaur

Ubuntu doesn't build openssl with kerberos support

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
openssl