CVE-2017-5340 Integer overflow in n/a
Remote attackers can execute arbitrary code or cause denial of service via crafted serialized data due to integer overflow in PHP's hash handling.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-5340?
CVE-2017-5340 is a critical vulnerability in Netapp Clustered Data Ontap, published on 11 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Zend/zend_hash.c in PHP before 7.0.15 and 7.1.x before 7.1.1 mishandles certain cases that require large array allocations, which allows remote attackers to execute arbitrary code or cause a denial of service (integer overflow, uninitialized memory access, and use of arbitrary destructor function pointers) via crafted serialized data.
Weakness: CWE-190
Which versions are affected by CVE-2017-5340?
It affects 2 products.
Products include Netapp Clustered Data Ontap, Php Php.
How do I fix CVE-2017-5340?
Upgrade to a fixed version.
Is CVE-2017-5340 being exploited?
There is no known exploitation of CVE-2017-5340 in the wild and no public exploit code.
Other vulnerabilities in Netapp Clustered Data Ontap
Sources
Also known as GHSA-mcgr-9688-597c, UBUNTU-CVE-2017-5340.