CVE-2020-27827
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A 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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | lldp/openvswitch | lldpd 1.0.8, openvswitch 2.14.1, openvswitch 2.13.2, openvswitch 2.12.2, openvswitch 2.11.5, openvswitch 2.10.6, openvswitch 2.9.8, openvswitch 2.8.10, openvswitch 2.7.12, openvswitch 2.6.9 | affected |
Weaknesses
- CWE-400: CWE-400
ADP Enrichment
CVE Program Container
Additional References
- https://bugzilla.redhat.com/show_bug.cgi?id=1921438
- https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/
- https://security.gentoo.org/glsa/202311-16
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1921438
- https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/
- https://security.gentoo.org/glsa/202311-16
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