High severity · published Jul 9, 2021
CVE-2021-3570
A flaw was found in the ptp4l program of the linuxptp package
8.8
CVSS
3%
EPSS
No
On KEV
Description
A flaw was found in the ptp4l program of the linuxptp package. A missing length check when forwarding a PTP message between ports allows a remote attacker to cause an information leak, crash, or potentially remote code execution. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. This flaw affects linuxptp versions before 3.1.1, before 2.0.1, before 1.9.3, before 1.8.1, before 1.7.1, before 1.6.1 and before 1.5.1.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.0% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
10.0 · source: NVD
EL
Enterprise Linux · Redhat
6.0; 7.0; 8.0 · source: NVD
EL
Enterprise Linux Aus · Redhat
8.2; 8.4 · source: NVD
EL
Enterprise Linux Eus · Redhat
8.1; 8.2 · source: NVD
EL
Enterprise Linux Tus · Redhat
8.2; 8.4 · source: NVD
FE
Fedora · Fedoraproject
33; 34 · source: NVD
LI
Linuxptp · Linuxptp Project
before 1.5.1; 1.6.0 before 1.6.1; 1.7.0 before 1.7.1; 1.8.0 before 1.8.1; 1.9.0 before 1.9.3; 2.0.0 before 2.0.1; +1 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3570
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3570
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1966240
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/07/msg00025.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RHRUVSDP673LXJ5HGIPQPWPIYUPWYQA7/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUBKTRCMJ6VKS7DIBSZQB4ATSKVCJYXJ/
Third Party Advisory
https://www.debian.org/security/2021/dsa-4938
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