CVE-2020-7211
mediumpriority · track · 31EPSS 0.042 · 91 %ileDEEUUSEPSS · scored 2026-10-27
tftp.c in libslirp 4.1.0, as used in QEMU 4.2.0, does not prevent ..\ directory traversal on Windows.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- Fixedslirp4netns-0:0.4.2-3.git21fdece.el8.src as a component of Red Hat OpenShift Container Platform 4.3redhat_csaf
Before applying this update, ensure all previously released errata relevant to your system have been applied. For OpenShift Container Platform 4.3 see the following documentation, which will be updated shortly for release 4.3.1, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/4.3/release_notes/ocp-4-3-release-notes.html Details on how to access this content are available at https://docs.openshift.com/container-platform/4.3/updating/updating-cluster-cli.html.
https://access.redhat.com/errata/RHBA-2020:0390 - Fixedslirp4netns-0:0.4.2-3.git21fdece.el8.x86_64 as a component of Red Hat OpenShift Container Platform 4.3redhat_csaf
Before applying this update, ensure all previously released errata relevant to your system have been applied. For OpenShift Container Platform 4.3 see the following documentation, which will be updated shortly for release 4.3.1, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/4.3/release_notes/ocp-4-3-release-notes.html Details on how to access this content are available at https://docs.openshift.com/container-platform/4.3/updating/updating-cluster-cli.html.
https://access.redhat.com/errata/RHBA-2020:0390 - Fixedslirp4netns-debuginfo-0:0.4.2-3.git21fdece.el8.x86_64 as a component of Red Hat OpenShift Container Platform 4.3redhat_csaf
Before applying this update, ensure all previously released errata relevant to your system have been applied. For OpenShift Container Platform 4.3 see the following documentation, which will be updated shortly for release 4.3.1, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/4.3/release_notes/ocp-4-3-release-notes.html Details on how to access this content are available at https://docs.openshift.com/container-platform/4.3/updating/updating-cluster-cli.html.
https://access.redhat.com/errata/RHBA-2020:0390 - Fixedslirp4netns-debugsource-0:0.4.2-3.git21fdece.el8.x86_64 as a component of Red Hat OpenShift Container Platform 4.3redhat_csaf
Before applying this update, ensure all previously released errata relevant to your system have been applied. For OpenShift Container Platform 4.3 see the following documentation, which will be updated shortly for release 4.3.1, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/4.3/release_notes/ocp-4-3-release-notes.html Details on how to access this content are available at https://docs.openshift.com/container-platform/4.3/updating/updating-cluster-cli.html.
https://access.redhat.com/errata/RHBA-2020:0390
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 3.8–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (62)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- RHBA-2020:0390Red Hat Bug Fix Advisory: OpenShift Container Platform 4.3.1 packages update2020-02-12csaf · redhat_csafUS
Red Hat OpenShift Container Platform release 4.3.1 is now available with updates to packages and images that fix several bugs.
- WID-SEC-W-2024-3379QEMU: Mehrere SchwachstellenDeutsch2020-01-16csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in QEMU ausnutzen, um beliebigen Programmcode auszuführen, einen Denial of Service Angriff durchzuführen oder Informationen offenzulegen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (18)
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2020/01/17/2cnnvd
- https://gitlab.freedesktop.org/slirp/libslirp/commit/14ec36e107a8c9af7d0a80c3571fe39b291ff1d4cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-7211cnnvd
- https://security-tracker.debian.org/tracker/CVE-2020-7211cnnvd
- https://vigilance.fr/vulnerability/QEMU-directory-traversal-via-SLiRP-TFTP-Server-31355cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.0437/cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.0561/cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.1575/cnnvd
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