CVE-2020-27507
kamailio: The Kamailio SIP before 5.5.0 server mishandles INVITE requests with duplicated fields and overlength tag, leading to...
CVE-2020-27507 is fixed in 41 products on 1 platform, first by kamailio 5.1.2-1ubuntu2+esm1, released March 15, 2023. It is not reported as exploited. Patch Radar priority: Urgent.
Urgent
CVSS
9.8
critical
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0118
67th percentile
The Kamailio SIP before 5.5.0 server mishandles INVITE requests with duplicated fields and overlength tag, leading to a buffer overflow that crashes the server or possibly have unspecified other impact.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| kamailio · Debian 12.15 (bookworm) | 5.4.2-1 | DEBIAN-CVE-2020-27507 | Mar 15, 2023 |
| kamailio · Debian 13.5 (trixie) | 5.4.2-1 | DEBIAN-CVE-2020-27507 | Mar 15, 2023 |
| kamailio · Debian 14 | 5.4.2-1 | DEBIAN-CVE-2020-27507 | Mar 15, 2023 |
| kamailio · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-autheph-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-autheph-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-autheph-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-autheph-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-berkeley-bin · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-berkeley-bin 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-berkeley-bin · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-berkeley-bin 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-berkeley-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-berkeley-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-berkeley-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-berkeley-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-carrierroute-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-carrierroute-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-cnxcc-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-cnxcc-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-cnxcc-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-cnxcc-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-cpl-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-cpl-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-cpl-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-cpl-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-erlang-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-erlang-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-erlang-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-erlang-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-extra-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-extra-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-extra-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-extra-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-geoip-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-geoip-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-geoip-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-geoip-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-geoip2-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-geoip2-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-geoip2-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-geoip2-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-ims-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-ims-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-ims-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-ims-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-json-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-json-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-json-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-json-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-kazoo-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-kazoo-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-kazoo-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-kazoo-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-ldap-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-ldap-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-ldap-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-ldap-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-lua-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-lua-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-lua-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-lua-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-memcached-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-memcached-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-memcached-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-memcached-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-mongodb-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-mongodb-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-mongodb-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-mongodb-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-mono-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-mono-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-mono-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-mono-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-mysql-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-mysql-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-mysql-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-mysql-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-outbound-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-outbound-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-outbound-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-outbound-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-perl-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-perl-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-perl-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-perl-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-phonenum-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-phonenum-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-phonenum-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-phonenum-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-postgres-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-postgres-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-postgres-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-postgres-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-presence-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-presence-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-presence-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-presence-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-python-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-python-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-python3-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-python3-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-rabbitmq-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-rabbitmq-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-rabbitmq-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-rabbitmq-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-radius-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-radius-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-radius-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-radius-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-redis-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-redis-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-redis-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-redis-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-ruby-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-ruby-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-sctp-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-sctp-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-sctp-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-sctp-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-snmpstats-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-snmpstats-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-snmpstats-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-snmpstats-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-sqlite-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-sqlite-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-sqlite-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-sqlite-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-systemd-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-systemd-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-systemd-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-systemd-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-tls-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-tls-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-tls-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-tls-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-unixodbc-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-unixodbc-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-unixodbc-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-unixodbc-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-utils-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-utils-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-utils-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-utils-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-websocket-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-websocket-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-websocket-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-websocket-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-xml-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-xml-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-xml-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-xml-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
| kamailio-xmpp-modules · Ubuntu 18.04.6 LTS (bionic) | 5.1.2-1ubuntu2+esm1 | kamailio-xmpp-modules 5.1.2-1ubuntu2+esm1 | Mar 15, 2023 |
| kamailio-xmpp-modules · Ubuntu 20.04 LTS (focal) | 5.3.2-1ubuntu0.1~esm1 | kamailio-xmpp-modules 5.3.2-1ubuntu0.1~esm1 | Mar 15, 2023 |
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