CVE-2011-2605 Other in n/a

Medium 4.3 Published Updated

Remote attackers can bypass cookie access restrictions in Firefox and Thunderbird via CRLF injection in JavaScript cookie handling.

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-2011-2605?

CVE-2011-2605 is a medium-severity vulnerability in Mozilla Firefox, published on 30 Jun 2011. 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

CRLF injection vulnerability in the nsCookieService::SetCookieStringInternal function in netwerk/cookie/nsCookieService.cpp in Mozilla Firefox before 3.6.18 and 4.x through 4.0.1, and Thunderbird before 3.1.11, allows remote attackers to bypass intended access restrictions via a string containing a \n (newline) character, which is not properly handled in a JavaScript "document.cookie =" expression, a different vulnerability than CVE-2011-2374.

Weakness: CWE-94

Which versions are affected by CVE-2011-2605?

It affects 2 products.

Products include Mozilla Firefox, Mozilla Thunderbird.

How do I fix CVE-2011-2605?

Upgrade to a fixed version.

Is CVE-2011-2605 being exploited?

There is no known exploitation of CVE-2011-2605 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as GHSA-m4ch-8pc5-rpx2.

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