CVE-2011-1471 Integer overflow in n/a
Attackers can cause denial of service via CPU consumption by tricking users into opening a malformed archive file in PHP's Zip extension.
- 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-2011-1471?
CVE-2011-1471 is a medium-severity vulnerability in Php Php, published on 20 Mar 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
Integer signedness error in zip_stream.c in the Zip extension in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (CPU consumption) via a malformed archive file that triggers errors in zip_fread function calls.
Weakness: CWE-189
Which versions are affected by CVE-2011-1471?
It affects 1 product.
Products include Php Php.
How do I fix CVE-2011-1471?
Upgrade to a fixed version.
Is CVE-2011-1471 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-1471 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Php Php
Sources
Also known as GHSA-h5g9-76vr-9xfh.