CVE-2018-15503 Deserialization in n/a

High 7.5 Published Updated

An attacker can cause a segmentation fault and denial of service by sending a crafted serialized object to the Swoole unpack function.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2018-15503?

CVE-2018-15503 is a high-severity unsafe deserialization vulnerability in n/a, published on 18 Aug 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The unpack implementation in Swoole version 4.0.4 lacks correct size checks in the deserialization process. An attacker can craft a serialized object to exploit this vulnerability and cause a SEGV.

Weakness: CWE-502

Which versions are affected by CVE-2018-15503?

It affects 1 product.

Products include Swoole Swoole.

How do I fix CVE-2018-15503?

No fix has been published for CVE-2018-15503 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2018-15503 being exploited?

There is no known exploitation of CVE-2018-15503 in the wild and no public exploit code.

Sources

Also known as GHSA-wp68-99q2-jm6p.

Is CVE-2018-15503 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free