CVE-2017-9334 Null dereference in n/a

High 7.5 Published Updated

An attacker can cause a denial of service by passing an improper list to the length procedure in CHICKEN Scheme, triggering an unsafe pointer dereference.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2017-9334?

CVE-2017-9334 is a high-severity vulnerability in n/a, published on 1 Jun 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An incorrect "pair?" check in the Scheme "length" procedure results in an unsafe pointer dereference in all CHICKEN Scheme versions prior to 4.13, which allows an attacker to cause a denial of service by passing an improper list to an application that calls "length" on it.

Weakness: CWE-20

Which versions are affected by CVE-2017-9334?

It affects 1 product.

Products include Call-Cc Chicken.

How do I fix CVE-2017-9334?

Upgrade to a fixed version.

Is CVE-2017-9334 being exploited?

There is no known exploitation of CVE-2017-9334 in the wild and no public exploit code.

Sources

Also known as CLEANSTART-2023-CR50278, DEBIAN-CVE-2017-9334, GHSA-mm87-prr6-cmmh, UBUNTU-CVE-2017-9334.

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