CVE-2007-4476 Memory corruption in n/a

What is CVE-2007-4476?

CVE-2007-4476 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 5 Sep 2007. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Buffer overflow in the safer_name_suffix function in GNU tar has unspecified attack vectors and impact, resulting in a "crashing stack."

Weakness: CWE-119

Which versions are affected by CVE-2007-4476?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Gnu Tar.

How do I fix CVE-2007-4476?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2007-4476 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-4476 exists.

Public exploit code: 1 Exploit-DB entry.

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-2007-4476, DSA-1566-1, GHSA-qc9f-9qmm-9663.