CVE-2013-6410 Auth bypass in n/a

What is CVE-2013-6410?

CVE-2013-6410 is a high-severity authentication bypass vulnerability in Canonical Ubuntu Linux, published on 7 Dec 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which might allow remote attackers to bypass intended access restrictions via an IP address that has a partial match in the authfile configuration file.

Weakness: CWE-264

Which versions are affected by CVE-2013-6410?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Wouter Verhelst Nbd.

How do I fix CVE-2013-6410?

Upgrade to a fixed version.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2013-6410 being exploited?

There is no known exploitation of CVE-2013-6410 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-2013-6410, DSA-2806-1, GHSA-m347-4hpq-mfpc.