CVE-2011-1657 Denial of service in n/a
Attackers can crash PHP applications by passing specific flags to ZipArchive functions, 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-2011-1657?
CVE-2011-1657 is a medium-severity denial of service vulnerability in Php Php, published on 25 Aug 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The (1) ZipArchive::addGlob and (2) ZipArchive::addPattern functions in ext/zip/php_zip.c in PHP 5.3.6 allow context-dependent attackers to cause a denial of service (application crash) via certain flags arguments, as demonstrated by (a) GLOB_ALTDIRFUNC and (b) GLOB_APPEND.
Weakness: CWE-399
Which versions are affected by CVE-2011-1657?
It affects 1 product.
Products include Php Php.
How do I fix CVE-2011-1657?
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-2011-1657 being exploited?
There is no known exploitation of CVE-2011-1657 in the wild and no public exploit code.
Other vulnerabilities in Php Php
Sources
Also known as GHSA-m2xf-6xr9-22pv.