CVE-2005-0446 Denial of service in n/a

Medium 5.0 Published Updated

Remote attackers can crash the Squid proxy server by sending malicious DNS responses, causing a denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2005-0446?

CVE-2005-0446 is a medium-severity denial of service vulnerability in n/a, published on 15 Feb 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Squid 2.5.STABLE8 and earlier allows remote attackers to cause a denial of service (crash) via certain DNS responses regarding (1) Fully Qualified Domain Names (FQDN) in fqdncache.c or (2) IP addresses in ipcache.c, which trigger an assertion failure.

Which versions are affected by CVE-2005-0446?

It affects 1 product.

Linux distribution packages (16)
squid Red Hat:enterprise_linux:3::asAll versions7:2.5.STABLE3-6.3E.8
squid-debuginfo Red Hat:enterprise_linux:3::asAll versions7:2.5.STABLE3-6.3E.8
squid Red Hat:enterprise_linux:3::desktopAll versions7:2.5.STABLE3-6.3E.8
squid-debuginfo Red Hat:enterprise_linux:3::desktopAll versions7:2.5.STABLE3-6.3E.8
squid Red Hat:enterprise_linux:3::esAll versions7:2.5.STABLE3-6.3E.8
squid-debuginfo Red Hat:enterprise_linux:3::esAll versions7:2.5.STABLE3-6.3E.8
squid Red Hat:enterprise_linux:3::wsAll versions7:2.5.STABLE3-6.3E.8
squid-debuginfo Red Hat:enterprise_linux:3::wsAll versions7:2.5.STABLE3-6.3E.8
squid Red Hat:enterprise_linux:4::asAll versions7:2.5.STABLE6-3.4E.5
squid-debuginfo Red Hat:enterprise_linux:4::asAll versions7:2.5.STABLE6-3.4E.5
squid Red Hat:enterprise_linux:4::desktopAll versions7:2.5.STABLE6-3.4E.5
squid-debuginfo Red Hat:enterprise_linux:4::desktopAll versions7:2.5.STABLE6-3.4E.5
squid Red Hat:enterprise_linux:4::esAll versions7:2.5.STABLE6-3.4E.5
squid-debuginfo Red Hat:enterprise_linux:4::esAll versions7:2.5.STABLE6-3.4E.5
squid Red Hat:enterprise_linux:4::wsAll versions7:2.5.STABLE6-3.4E.5
squid-debuginfo Red Hat:enterprise_linux:4::wsAll versions7:2.5.STABLE6-3.4E.5

Products include Squid Squid.

How do I fix CVE-2005-0446?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2005-0446 being exploited?

There is no known exploitation of CVE-2005-0446 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2005-0446, DSA-688-1, GHSA-2f87-jcwj-5f4g, RHSA-2005:173, RHSA-2005:201.

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