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Vulnerability Details : CVE-2018-16657

In Kamailio before 5.0.7 and 5.1.x before 5.1.4, a crafted SIP message with an invalid Via header causes a segmentation fault and crashes Kamailio. The reason is missing input validation in the crcitt_string_array core function for calculating a CRC hash for To tags. (An additional error is present in the check_via_address core function: this function also misses input validation.) This could result in denial of service and potentially the execution of arbitrary code.
Publish Date : 2018-09-07 Last Update Date : 2018-11-15
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- CVSS Scores & Vulnerability Types

CVSS Score
7.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceExecute Code
CWE ID 20

- Products Affected By CVE-2018-16657

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 8.0 Version Details Vulnerabilities
2 OS Debian Debian Linux 9.0 Version Details Vulnerabilities
3 Application Kamailio Kamailio 4.3.4 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 2
Kamailio Kamailio 1

- References For CVE-2018-16657

https://www.debian.org/security/2018/dsa-4292
DEBIAN DSA-4292
https://skalatan.de/blog/advisory-hw-2018-06
https://lists.debian.org/debian-lts-announce/2018/09/msg00013.html
MLIST [debian-lts-announce] 20180912 [SECURITY] [DLA 1503-1] kamailio security update

- Metasploit Modules Related To CVE-2018-16657

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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