7.5
HIGH
CVE-2017-16875
PJSIP ioqueue Double-Free Memory Corruption Vulnerability
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.

INFO

Published Date :

Nov. 17, 2017, 4:29 p.m.

Last Modified :

Sept. 2, 2021, 2:49 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2017-16875 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Teluu pjsip
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2017-16875.

URL Resource
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

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2017-16875 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-16875 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CPE Deprecation Remap by [email protected]

    Sep. 02, 2021

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:pjsip:pjsip:*:*:*:*:*:*:*:* versions from (excluding) 2.7.1 OR *cpe:2.3:a:teluu:pjsip:*:*:*:*:*:*:*:* versions from (excluding) 2.7.1
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-320 NVD-CWE-noinfo
  • CVE Modified by [email protected]

    Apr. 12, 2018

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2018/dsa-4170 [No Types Assigned]
  • Initial Analysis by [email protected]

    Dec. 05, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://trac.pjsip.org/repos/milestone/release-2.7.1 No Types Assigned https://trac.pjsip.org/repos/milestone/release-2.7.1 Release Notes, Vendor Advisory
    Changed Reference Type https://trac.pjsip.org/repos/ticket/2055 No Types Assigned https://trac.pjsip.org/repos/ticket/2055 Vendor Advisory
    Added CWE CWE-320
    Added CPE Configuration OR *cpe:2.3:a:pjsip:pjsip:*:*:*:*:*:*:*:* versions up to (excluding) 2.7.1
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-16875 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2017-16875 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.26 }} -0.11%

score

0.61977

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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