CVE-2007-1216 Use after free in n/a

What is CVE-2007-1216?

CVE-2007-1216 is a critical use after free vulnerability in Canonical Ubuntu Linux, published on 6 Apr 2007. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Double free vulnerability in the GSS-API library (lib/gssapi/krb5/k5unseal.c), as used by the Kerberos administration daemon (kadmind) in MIT krb5 before 1.6.1, when used with the authentication method provided by the RPCSEC_GSS RPC library, allows remote authenticated users to execute arbitrary code and modify the Kerberos key database via a message with an "an invalid direction encoding".

Weakness: CWE-415

Which versions are affected by CVE-2007-1216?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Mit Kerberos 5.

How do I fix CVE-2007-1216?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2007-1216 being exploited?

There is no known exploitation of CVE-2007-1216 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2007-1216, GHSA-5j9h-62w2-p327.