7.5
HIGH
CVE-2021-41141
PJSIP Resource Lock Deadlock Denial of Service Vulnerability
Description

PJSIP is a free and open source multimedia communication library written in the C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In various parts of PJSIP, when error/failure occurs, it is found that the function returns without releasing the currently held locks. This could result in a system deadlock, which cause a denial of service for the users. No release has yet been made which contains the linked fix commit. All versions up to an including 2.11.1 are affected. Users may need to manually apply the patch.

INFO

Published Date :

Jan. 4, 2022, 7:15 p.m.

Last Modified :

Nov. 16, 2022, 7:07 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-41141 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 Debian debian_linux
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-2021-41141.

URL Resource
https://github.com/pjsip/pjproject/commit/1aa2c0e0fb60a1b0bf793e0d834073ffe50fb196 Patch Third Party Advisory
https://github.com/pjsip/pjproject/security/advisories/GHSA-8fmx-hqw7-6gmc Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202210-37 Third Party Advisory

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-2021-41141 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-41141 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
  • Modified Analysis by [email protected]

    Nov. 16, 2022

    Action Type Old Value New Value
    Changed Reference Type https://security.gentoo.org/glsa/202210-37 No Types Assigned https://security.gentoo.org/glsa/202210-37 Third Party Advisory
  • CVE Modified by [email protected]

    Oct. 31, 2022

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/202210-37 [No Types Assigned]
  • Modified Analysis by [email protected]

    Jun. 05, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 28, 2022

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 13, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://github.com/pjsip/pjproject/commit/1aa2c0e0fb60a1b0bf793e0d834073ffe50fb196 No Types Assigned https://github.com/pjsip/pjproject/commit/1aa2c0e0fb60a1b0bf793e0d834073ffe50fb196 Patch, Third Party Advisory
    Changed Reference Type https://github.com/pjsip/pjproject/security/advisories/GHSA-8fmx-hqw7-6gmc No Types Assigned https://github.com/pjsip/pjproject/security/advisories/GHSA-8fmx-hqw7-6gmc Patch, Third Party Advisory
    Added CWE NIST CWE-667
    Added CPE Configuration OR *cpe:2.3:a:teluu:pjsip:*:*:*:*:*:*:*:* versions up to (including) 2.11.1
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-2021-41141 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-2021-41141 weaknesses.

Exploit Prediction

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

0.61 }} 0.18%

score

0.79115

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability