CVE-2021-3571
7.1
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
Exploitability: 2.8 / Impact: 4.2
Source: NVD
Description
A flaw was found in the ptp4l program of the linuxptp package. When ptp4l is operating on a little-endian architecture as a PTP transparent clock, a remote attacker could send a crafted one-step sync message to cause an information leak or crash. The highest threat from this vulnerability is to data confidentiality and system availability. This flaw affects linuxptp versions before 3.1.1 and before 2.0.1.
Affected (5)
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| Before 2.0.1 |
Configuration B
| Vulnerable Software | Affected Versions |
|---|---|
| Version 8.0 |
Configuration C
| Vulnerable Software | Affected Versions |
|---|---|
| Version 33 |
Related CWEs
CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
CWE-125
Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.
References (6)
Source: secalert@redhat.com
Issue TrackingPatchThird Party Advisory
Source: secalert@redhat.com
Source: secalert@redhat.com
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Timeline
No history available yet.