CVE-2017-9334 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://lists.nongnu.org/archive/html/chicken-announce/2017-05/msg00000.html http://lists.nongnu.org/archive/html/chicken-hackers/2017-05/msg00099.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5