PT-2017-17417 · Chicken · Chicken Scheme

Published 2017-03-16 · Updated 2017-04-05 · CVE-2017-6949

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions CHICKEN Scheme versions prior to 4.12.0

Description An issue was discovered when using a nonstandard CHICKEN-specific extension to allocate an SRFI-4 vector in unmanaged memory. The vector size would be used in unsanitised form as an argument to malloc(). With an unexpected size, the impact may have been a segfault or buffer overflow.

Recommendations For versions prior to 4.12.0, update to version 4.12.0 or later to resolve the issue.

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2017-6949

DLA-908-1

Affected Products

Chicken Scheme

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2017-6949 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-6949 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-6949 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2017-6949 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-6949 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-6949 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-6949 · Vendor Advisory
• http://lists.gnu.org/archive/html/chicken-announce/2017-03/msg00000.html · Patch
• http://securityfocus.com/bid/97317 · Note