CVE-2007-2442 Use after free in n/a

What is CVE-2007-2442?

CVE-2007-2442 is a critical use after free vulnerability in Canonical Ubuntu Linux, published on 26 Jun 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The gssrpc__svcauth_gssapi function in the RPC library in MIT Kerberos 5 (krb5) 1.6.1 and earlier might allow remote attackers to execute arbitrary code via a zero-length RPC credential, which causes kadmind to free an uninitialized pointer during cleanup.

Weakness: CWE-824

Which versions are affected by CVE-2007-2442?

It affects 3 products.

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

How do I fix CVE-2007-2442?

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-2007-2442 being exploited?

There is no known exploitation of CVE-2007-2442 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-2007-2442, GHSA-6hfh-4j58-7r89.