high
8.8
CWE
787 119
Advisory Published
CVE Published
Updated

CVE-2021-3570: Buffer Overflow

First published: Mon May 31 2021(Updated: )

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.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
debian/linuxptp
1.9.2-1+deb10u1
3.1-2.1
3.1.1-4
4.0-1
Linuxptp Project Linuxptp<1.5.1
Linuxptp Project Linuxptp>=1.6.0<1.6.1
Linuxptp Project Linuxptp>=1.8.0<1.8.1
Linuxptp Project Linuxptp>=1.9.0<1.9.3
Linuxptp Project Linuxptp>=2.0.0<2.0.1
Linuxptp Project Linuxptp>=3.0.0<3.1.1
Redhat Enterprise Linux=6.0
Redhat Enterprise Linux=7.0
Redhat Enterprise Linux=8.0
Redhat Enterprise Linux Aus=8.2
Redhat Enterprise Linux Aus=8.4
Redhat Enterprise Linux Eus=8.1
Redhat Enterprise Linux Eus=8.2
Redhat Enterprise Linux Tus=8.2
Redhat Enterprise Linux Tus=8.4
Fedoraproject Fedora=33
Fedoraproject Fedora=34
Debian Debian Linux=10.0
debian/linuxptp<=3.1-2<=1.9.2-1
3.1-2.1
1.9.2-1+deb10u1
redhat/linuxptp<3.1.1
3.1.1
redhat/linuxptp<2.0.1
2.0.1
redhat/linuxptp<1.9.3
1.9.3
redhat/linuxptp<1.8.1
1.8.1
redhat/linuxptp<1.7.1
1.7.1
redhat/linuxptp<1.6.1
1.6.1
redhat/linuxptp<1.5.1
1.5.1

Remedy

https://bugzilla.redhat.com/show_bug.cgi?id=1966240

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-3570?

    The severity of CVE-2021-3570 is high (8.8).

  • How does CVE-2021-3570 impact data confidentiality?

    CVE-2021-3570 can potentially lead to data confidentiality breaches.

  • What is the affected software for CVE-2021-3570?

    The affected software for CVE-2021-3570 includes Linuxptp Project Linuxptp, Redhat Enterprise Linux, and Fedora.

  • How can I fix CVE-2021-3570?

    To fix CVE-2021-3570, it is recommended to update the linuxptp package to version 1.9.2-1+deb10u1 (for Debian) or 3.1-2.1 (for other distributions).

  • Where can I find more information about CVE-2021-3570?

    You can find more information about CVE-2021-3570 at the following references: [reference 1](https://security-tracker.debian.org/tracker/CVE-2021-3570), [reference 2](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3570), [reference 3](https://security-tracker.debian.org/tracker/CVE-2021-3571).

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