CVE-2020-27827

Summary

CVECVE-2020-27827
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-03-18 17:15:00 UTC
Updated2023-11-26 11:15:00 UTC
DescriptionA flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.

Risk And Classification

Problem Types: CWE-400

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 33 All All All
Application Lldpd Project Lldpd All All All All
Application Openvswitch Openvswitch All All All All
Operating System Redhat Enterprise Linux 7.0 All All All
Operating System Redhat Enterprise Linux 8.0 All All All
Application Redhat Openshift Container Platform 4.0 All All All
Application Redhat Openstack 10 All All All
Application Redhat Openstack 13 All All All
Application Redhat Openstack 13.0 All All All
Application Redhat Virtualization 4.0 All All All
Hardware Siemens Simatic Hmi Unified Comfort Panels - All All All
Operating System Siemens Simatic Hmi Unified Comfort Panels Firmware All All All All
Hardware Siemens Simatic Net Cp 1243-1 - All All All
Operating System Siemens Simatic Net Cp 1243-1 Firmware - All All All
Hardware Siemens Simatic Net Cp 1243-8 Irc - All All All
Operating System Siemens Simatic Net Cp 1243-8 Irc Firmware - All All All
Hardware Siemens Simatic Net Cp 1542sp-1 - All All All
Operating System Siemens Simatic Net Cp 1542sp-1 Firmware - All All All
Hardware Siemens Simatic Net Cp 1542sp-1 Irc - All All All
Operating System Siemens Simatic Net Cp 1542sp-1 Irc Firmware - All All All
Hardware Siemens Simatic Net Cp 1543-1 - All All All
Operating System Siemens Simatic Net Cp 1543-1 Firmware - All All All
Hardware Siemens Simatic Net Cp 1543sp-1 - All All All
Operating System Siemens Simatic Net Cp 1543sp-1 Firmware - All All All
Hardware Siemens Simatic Net Cp 1545-1 - All All All
Operating System Siemens Simatic Net Cp 1545-1 Firmware - All All All
Hardware Siemens Sinumerik One - All All All
Operating System Siemens Sinumerik One Firmware All All All All
Hardware Siemens Tim 1531 Irc - All All All
Operating System Siemens Tim 1531 Irc Firmware All All All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 38 Update: lldpd-1.0.16-1.fc38 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
1921438 – (CVE-2020-27827) CVE-2020-27827 lldp/openvswitch: denial of service via externally triggered memory leak MISC bugzilla.redhat.com
cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf CONFIRM cert-portal.siemens.com
[SECURITY] Fedora 37 Update: lldpd-1.0.16-1.fc37 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[ovs-dev] [ADVISORY] CVE-2020-27827: lldp: Externally triggered memory leak. MISC mail.openvswitch.org
Open vSwitch: Multiple Vulnerabilities (GLSA 202311-16) — Gentoo security security.gentoo.org
[SECURITY] Fedora 36 Update: lldpd-1.0.16-1.fc36 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 37 Update: lldpd-1.0.16-1.fc37 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 36 Update: lldpd-1.0.16-1.fc36 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 38 Update: lldpd-1.0.16-1.fc38 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
Siemens Industrial Products LLDP | CISA MISC us-cert.cisa.gov
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 174589 SUSE Enterprise Linux Security Update for openvswitch (SUSE-SU-2021:0300-1)
  • 181728 Debian Security Update for lldpd (DLA 3388-1)
  • 181730 Debian Security Update for lldpd (DLA 3389-1)
  • 239427 Red Hat Update for Red Hat OpenStack Platform 13.0 (RHSA-2021:2456)
  • 281603 Fedora Security Update for dpdk (FEDORA-2021-fba11d37ee)
  • 283901 Fedora Security Update for lldpd (FEDORA-2023-c0c184a019)
  • 283902 Fedora Security Update for lldpd (FEDORA-2023-3e4feeadec)
  • 284191 Fedora Security Update for lldpd (FEDORA-2023-88991d2713)
  • 501072 Alpine Linux Security Update for lldpd
  • 501655 Alpine Linux Security Update for openvswitch
  • 505197 Alpine Linux Security Update for openvswitch
  • 591139 Siemens Industrial Products LLDP (Update D) Multiple Vulnerabilities (icsa-21-194-07, SSA-941426)
  • 710800 Gentoo Linux Open vSwitch Multiple Vulnerabilities (GLSA 202311-16)
  • 750374 OpenSUSE Security Update for openvswitch (openSUSE-SU-2021:0239-1)
  • 900147 CBL-Mariner Linux Security Update for openvswitch 2.12.0
  • 901842 Common Base Linux Mariner (CBL-Mariner) Security Update for lldpd (7284)
  • 902651 Common Base Linux Mariner (CBL-Mariner) Security Update for lldpd (10443)
  • 903161 Common Base Linux Mariner (CBL-Mariner) Security Update for openvswitch (4019)
  • 903813 Common Base Linux Mariner (CBL-Mariner) Security Update for lldpd (10443-1)
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