CVE-2020-27827

Name
CVE-2020-27827
Description
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.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1921438
Mailing List https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html
CONFIRM https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf
MISC https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:lldpd_project:lldpd:*:*:*:*:*:*:*:* lldpd >= None < 1.0.8
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* openvswitch >= 2.6.0 < 2.6.9
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* openvswitch >= 2.7.0 < 2.7.12
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* openvswitch >= 2.8.0 < 2.8.10
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* openvswitch >= 2.9.0 < 2.9.8
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* openvswitch >= 2.10.0 < 2.10.6
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* openvswitch >= 2.11.0 < 2.11.5
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* openvswitch >= 2.12.0 < 2.12.2
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* openvswitch >= 2.13.0 < 2.13.2
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* openvswitch >= 2.14.0 < 2.14.1

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
lldpd 3.13-community 1.0.8-r0 Francesco Colista <fcolista@alpinelinux.org> fixed
openvswitch 3.10-main 2.10.1-r2 Stuart Cardall <developer@it-offshore.co.uk> possibly vulnerable