high7.5
CVE-2020-27827
A flaw was found in multiple versions of OpenvSwitch.
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Lldpd Project | Lldpd | before 1.0.8 |
| Openvswitch | Openvswitch | from 2.6.0 before 2.6.9 from 2.7.0 before 2.7.12 from 2.8.0 before 2.8.10 from 2.9.0 before 2.9.8 from 2.10.0 before 2.10.6 from 2.11.0 before 2.11.5 |
| Redhat | Openshift Container Platform | Version 4.0 |
| Redhat | Openstack | Versions 10, 13 |
| Redhat | Virtualization | Version 4.0 |
| Redhat | Enterprise Linux | Versions 7.0, 8.0 |
| Fedoraproject | Fedora | Version 33 |
| Siemens | Simatic Hmi Unified Comfort Panels Firmware | before 17 |
| Siemens | Simatic Net Cp 1243-1 Firmware | All versions |
| Siemens | Simatic Net Cp 1243-8 Irc Firmware | All versions |
| Siemens | Simatic Net Cp 1542sp-1 Firmware | All versions |
| Siemens | Simatic Net Cp 1542sp-1 Irc Firmware | All versions |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugzilla.redhat.com/show_bug.cgi?id=1921438
- https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf
- 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/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/
- https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html
- https://security.gentoo.org/glsa/202311-16
- https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07
- https://bugzilla.redhat.com/show_bug.cgi?id=1921438
- https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf
- 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/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/
- https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html
- https://security.gentoo.org/glsa/202311-16
- https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07