DLA-3438-1

Source

https://storage.googleapis.com/debian-osv/dla-osv/DLA-3438-1.json

Published

2023-05-30T00:00:00Z

Modified

2023-06-28T06:26:57.908790Z

Details

It was discovered that there was a potential denial-of-service (DoS) attack in the Kamailio SIP telephony server. This was caused by the Kamailio server mishandling INVITE requests with duplicated fields.

• CVE-2020-27507 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.

For Debian 10 Buster, this problem has been fixed in version 5.2.1-1+deb10u1.

We recommend that you upgrade your kamailio packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS

References

• https://www.debian.org/lts/security/2023/dla-3438