CVE-2009-0801 Security feature bypass in n/a

Medium 5.4 Published Updated

Remote attackers can bypass access controls and access restricted intranet sites via crafted HTTP requests when Squid is in transparent interception mode.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2009-0801?

CVE-2009-0801 is a medium-severity vulnerability in n/a, published on 4 Mar 2009. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Squid, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to bypass access controls for Flash, Java, Silverlight, and probably other technologies, and possibly communicate with restricted intranet sites, via a crafted web page that causes a client to send HTTP requests with a modified Host header.

Weakness: CWE-264

Which versions are affected by CVE-2009-0801?

It affects 1 product.

Products include Squid Squid Web Proxy Cache.

How do I fix CVE-2009-0801?

Apply the vendor's patch.

Is CVE-2009-0801 being exploited?

There is no known exploitation of CVE-2009-0801 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2009-0801, GHSA-w87g-c2c7-4fx5.

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