CVE-2015-4556 Denial of service in n/a

High 7.5 Published Updated

Remote attackers can crash the CHICKEN Scheme library via the string-translate* procedure, 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-2015-4556?

CVE-2015-4556 is a high-severity denial of service vulnerability in n/a, published on 29 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The string-translate* procedure in the data-structures unit in CHICKEN before 4.10.0 allows remote attackers to cause a denial of service (crash).

Weakness: CWE-20

Which versions are affected by CVE-2015-4556?

It affects 1 product.

Products include Call-Cc Chicken.

How do I fix CVE-2015-4556?

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-2015-4556 being exploited?

There is no known exploitation of CVE-2015-4556 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2015-4556, GHSA-j22h-w3hq-g7h8, UBUNTU-CVE-2015-4556.

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