CVE-2018-14767 : In Kamailio before 5.0.7 and 5.1.x before 5.1.4, a crafted SIP message with a do

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.

Published 2018-07-31 06:29:00

Updated 2018-10-04 21:29:51

Source MITRE

View at NVD, CVE.org

Vulnerability category: Memory CorruptionInput validationDenial of service

Products affected by CVE-2018-14767

Debian » Debian Linux » Version: 8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Matching versions
Debian » Debian Linux » Version: 9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Matching versions
Kamailio » Kamailio
Versions from including (>=) 5.1.0 and before (<) 5.1.4
cpe:2.3:a:kamailio:kamailio:*:*:*:*:*:*:*:*
Matching versions
Kamailio » Kamailio
Versions before (<) 5.0.7
cpe:2.3:a:kamailio:kamailio:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2018-14767

Top countries where our scanners detected CVE-2018-14767

Top open port discovered on systems with this issue 5060

IPs affected by CVE-2018-14767 206

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2018-14767!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2018-14767

EPSS FAQ

1.74%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 81 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-14767

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2018-14767

CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-14767

https://lists.debian.org/debian-lts-announce/2018/08/msg00018.html

[SECURITY] [DLA 1471-1] kamailio security update
Mailing List;Third Party Advisory
https://skalatan.de/blog/advisory-hw-2018-05

Advisory HW-2018-05 | skalatan.de
Exploit;Patch;Third Party Advisory
https://www.debian.org/security/2018/dsa-4267

Debian -- Security Information -- DSA-4267-1 kamailio
Third Party Advisory