CVE-2018-14767

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

In Kamailio before 5.0.7 and 5.1.x before 5.1.4, a crafted SIP message with a double "To" header and an empty "To" tag causes a segmentation fault and crash. The reason is missing input validation in the "build_res_buf_from_sip_req" core function. This could result in denial of service and potentially the execution of arbitrary code.

Metrics

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-20

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://lists.debian.org/debian-lts-announce/2018/08/msg00018.htmlMailing List, Third Party Advisory
https://skalatan.de/blog/advisory-hw-2018-05Exploit, Patch, Third Party Advisory
https://www.debian.org/security/2018/dsa-4267Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00018.htmlMailing List, Third Party Advisory
https://skalatan.de/blog/advisory-hw-2018-05Exploit, Patch, Third Party Advisory
https://www.debian.org/security/2018/dsa-4267Third Party Advisory

Timeline

Published: Jul 31, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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