CVE-2023-3036CWE-119CWE-125

Out of Bounds Slice index in cfnts leads to remote panic

High · published June 14, 2023

CVSS v3.1
8.6
EPSS
2%
Percentile
82.7
In the wild
Unconfirmed
What it is

An unchecked read in NTP server in github.com/cloudflare/cfnts prior to commit 783490b https://github.com/cloudflare/cfnts/commit/783490b913f05e508a492cd7b02e3c4ec2297b71  enabled a remote attacker to trigger a panic by sending an NTSAuthenticator packet with extension length longer than the packet contents.

The record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.02237 · 82.7th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-125 · Out-of-bounds Read
Published
2023-06-14T11:08Z
EPSS history
Timeline
  • 14 JUN 11:08Z
    Out of Bounds Slice index in cfnts leads to remote panic
    cvelistv5