CVE-2016-4070 Integer overflow in n/a

High 7.5 Published Updated

Remote attackers can cause a denial of service via an integer overflow in the rawurlencode function, affecting PHP installations.

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

What is CVE-2016-4070?

CVE-2016-4070 is a high-severity vulnerability in Php Php, published on 20 May 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Integer overflow in the php_raw_url_encode function in ext/standard/url.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allows remote attackers to cause a denial of service (application crash) via a long string to the rawurlencode function. NOTE: the vendor says "Not sure if this qualifies as security issue (probably not).

Weakness: CWE-189

Which versions are affected by CVE-2016-4070?

It affects 1 product.

Products include Php Php.

How do I fix CVE-2016-4070?

Upgrade to a fixed version.

Is CVE-2016-4070 being exploited?

There is no known exploitation of CVE-2016-4070 in the wild and no public exploit code.

All Php Php vulnerabilities

Sources

Also known as GHSA-h5h7-3865-j2r7, UBUNTU-CVE-2016-4070.

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