vulnwire
7.5high

CVE-2017-9334

An incorrect "pair?" check in the Scheme "length" procedure results in an unsafe pointer dereference in all CHICKEN Scheme versions prior t…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
1.5%
percentile 75%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

1.55% probability of exploitation in the next 30 days, higher than 75% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.17.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

  • lists.nongnu.org /archive/html/chicken-hackers/2017-05/msg00099.html · x_refsource_CONFIRM, x_transferred
  • lists.nongnu.org /archive/html/chicken-announce/2017-05/msg00000.html · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.