CVE-2014-4330 Denial of service in n/a
Attackers can cause a denial of service via stack consumption in the Data::Dumper Perl module by submitting deeply nested array references.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-4330?
CVE-2014-4330 is a low-severity denial of service vulnerability in n/a, published on 30 Sep 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Dumper method in Data::Dumper before 2.154, as used in Perl 5.20.1 and earlier, allows context-dependent attackers to cause a denial of service (stack consumption and crash) via an Array-Reference with many nested Array-References, which triggers a large number of recursive calls to the DD_dump function.
Weakness: CWE-119
Which versions are affected by CVE-2014-4330?
It affects 2 products.
Products include Data Dumper Project Data Dumper, Perl Perl.
How do I fix CVE-2014-4330?
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-2014-4330 being exploited?
There is no known exploitation of CVE-2014-4330 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2014-4330, GHSA-gxvp-m937-jg9v, MGASA-2014-0405, MGASA-2014-0406, MGASA-2014-0407, SUSE-RU-2015:0562-1 and 1 more.