Vulnerability CVE-2021-3571
Published: 2021-07-09

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.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.5/10
4.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
None
Partial
Affected software
Redhat -> Enterprise linux 
Linuxptp project -> Linuxptp 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=1966241
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RHRUVSDP673LXJ5HGIPQPWPIYUPWYQA7/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VUBKTRCMJ6VKS7DIBSZQB4ATSKVCJYXJ/
Copyright 2024, cxsecurity.com

 

Back to Top