CVE-2014-3597 Memory corruption in n/a
Remote attackers can trigger buffer overflows in PHP's DNS parsing, potentially causing crashes or executing arbitrary code via crafted DNS records.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-3597?
CVE-2014-3597 is a medium-severity memory corruption vulnerability in Php Php, published on 23 Aug 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Multiple buffer overflows in the php_parserr function in ext/standard/dns.c in PHP before 5.4.32 and 5.5.x before 5.5.16 allow remote DNS servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted DNS record, related to the dns_get_record function and the dn_expand function. NOTE: this issue exists because of an incomplete fix for CVE-2014-4049.
Weakness: CWE-119
Which versions are affected by CVE-2014-3597?
It affects 1 product.
Products include Php Php.
How do I fix CVE-2014-3597?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2014-3597 being exploited?
There is no known exploitation of CVE-2014-3597 in the wild and no public exploit code.
Other vulnerabilities in Php Php
Sources
Also known as GHSA-hh9h-fmf6-wj4h, UBUNTU-CVE-2014-3597.