CVE-2017-16875

Description

An issue was discovered in Teluu pjproject (pjlib and pjlib-util) in PJSIP before 2.7.1. The ioqueue component may issue a double key unregistration after an attacker initiates a socket connection with specific settings and sequences. Such double key unregistration will trigger an integer overflow, which may cause ioqueue backends to reject future key registrations.

7.5

CVSS

Severity: High

CVSS 3.0 •

CVSS 2.0 •

EPSS 0.53%

Vendor Advisory debian.org Vendor Advisory pjsip.org Vendor Advisory pjsip.org

Affected: n/a n/a

References

Link	Tags
https://trac.pjsip.org/repos/milestone/release-2.7.1	release notes vendor advisory
https://trac.pjsip.org/repos/ticket/2055	vendor advisory
https://www.debian.org/security/2018/dsa-4170	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-16875?: CVE-2017-16875 has been scored as a high severity vulnerability.
How to fix CVE-2017-16875?: To fix CVE-2017-16875, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-16875 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2017-16875 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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