9.1
CRITICAL
CVE-2022-21723
PJSIP SIP Multipart Parsing Buffer Overflow Vulnerability
Description

PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In versions 2.11.1 and prior, parsing an incoming SIP message that contains a malformed multipart can potentially cause out-of-bound read access. This issue affects all PJSIP users that accept SIP multipart. The patch is available as commit in the `master` branch. There are no known workarounds.

INFO

Published Date :

Jan. 27, 2022, 12:15 a.m.

Last Modified :

Aug. 30, 2023, 1:15 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.2

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2022-21723 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2022-21723 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
1 Sangoma asterisk
1 Asterisk certified_asterisk
References to Advisories, Solutions, and Tools

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).

test 反向辣鸡数据投放 CVE-2022-23305 工具 利用 教程 Exploit POC

cve-2020-

Updated: 2 years ago
5 stars 2 fork 2 watcher
Born at : Jan. 21, 2022, 5:07 a.m. This repo has been linked 2608 different CVEs too.

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

The following list is the news that have been mention CVE-2022-21723 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-21723 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
  • CVE Modified by [email protected]

    Aug. 30, 2023

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html Mailing List, Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2022/dsa-5285 No Types Assigned https://www.debian.org/security/2022/dsa-5285 Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Nov. 18, 2022

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2022/dsa-5285 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 17, 2022

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Nov. 16, 2022

    Action Type Old Value New Value
    Changed Reference Type http://packetstormsecurity.com/files/166227/Asterisk-Project-Security-Advisory-AST-2022-006.html Third Party Advisory http://packetstormsecurity.com/files/166227/Asterisk-Project-Security-Advisory-AST-2022-006.html Third Party Advisory, VDB Entry
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html Third Party Advisory https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html Mailing List, Third Party Advisory
    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]

    Apr. 25, 2022

    Action Type Old Value New Value
    Changed Reference Type http://packetstormsecurity.com/files/166227/Asterisk-Project-Security-Advisory-AST-2022-006.html No Types Assigned http://packetstormsecurity.com/files/166227/Asterisk-Project-Security-Advisory-AST-2022-006.html Third Party Advisory
    Changed Reference Type http://seclists.org/fulldisclosure/2022/Mar/2 No Types Assigned http://seclists.org/fulldisclosure/2022/Mar/2 Mailing List, Patch, Third Party Advisory
    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 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:asterisk:certified_asterisk:16.8.0:*:*:*:*:*:*:* *cpe:2.3:a:asterisk:certified_asterisk:16.8.0:cert1:*:*:*:*:*:* *cpe:2.3:a:asterisk:certified_asterisk:16.8.0:cert10:*:*:*:*:*:* *cpe:2.3:a:asterisk:certified_asterisk:16.8.0:cert11:*:*:*:*:*:* *cpe:2.3:a:asterisk:certified_asterisk:16.8.0:cert12:*:*:*:*:*:* *cpe:2.3:a:asterisk:certified_asterisk:16.8.0:cert2:*:*:*:*:*:* *cpe:2.3:a:asterisk:certified_asterisk:16.8.0:cert3:*:*:*:*:*:* *cpe:2.3:a:asterisk:certified_asterisk:16.8.0:cert4:*:*:*:*:*:* *cpe:2.3:a:asterisk:certified_asterisk:16.8.0:cert5:*:*:*:*:*:* *cpe:2.3:a:asterisk:certified_asterisk:16.8.0:cert6:*:*:*:*:*:* *cpe:2.3:a:asterisk:certified_asterisk:16.8.0:cert7:*:*:*:*:*:* *cpe:2.3:a:asterisk:certified_asterisk:16.8.0:cert8:*:*:*:*:*:* *cpe:2.3:a:asterisk:certified_asterisk:16.8.0:cert9:*:*:*:*:*:* *cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:* versions from (including) 16.0.0 up to (excluding) 16.24.1 *cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:* versions from (including) 18.0.0 up to (excluding) 18.10.1 *cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:* versions from (including) 19.0.0 up to (excluding) 19.2.1
    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]
  • CVE Modified by [email protected]

    Mar. 10, 2022

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/166227/Asterisk-Project-Security-Advisory-AST-2022-006.html [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 04, 2022

    Action Type Old Value New Value
    Added Reference http://seclists.org/fulldisclosure/2022/Mar/2 [No Types Assigned]
  • Initial Analysis by [email protected]

    Feb. 02, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
    Changed Reference Type https://github.com/pjsip/pjproject/commit/077b465c33f0aec05a49cd2ca456f9a1b112e896 No Types Assigned https://github.com/pjsip/pjproject/commit/077b465c33f0aec05a49cd2ca456f9a1b112e896 Patch, Third Party Advisory
    Changed Reference Type https://github.com/pjsip/pjproject/security/advisories/GHSA-7fw8-54cv-r7pm No Types Assigned https://github.com/pjsip/pjproject/security/advisories/GHSA-7fw8-54cv-r7pm Patch, Third Party Advisory
    Added CWE NIST CWE-125
    Added CPE Configuration OR *cpe:2.3:a:teluu:pjsip:*:*:*:*:*:*:*:* versions up to (including) 2.11.1
  • CVE Modified by [email protected]

    Jan. 27, 2022

    Action Type Old Value New Value
    Changed Description PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In versions 2.11.1 and prior, parsing an incoming SIP message that contains a malformed multipart can potentially cause out-of-bound read access. This issue affects all PJSIP users that accept SIP multipart. The patch is available as commit in the `master` branch. There are no known workarounds. PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In versions 2.11.1 and prior, parsing an incoming SIP message that contains a malformed multipart can potentially cause out-of-bound read access. This issue affects all PJSIP users that accept SIP multipart. The patch is available as commit in the `master` branch. There are no known workarounds.
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-2022-21723 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-2022-21723 weaknesses.

Exploit Prediction

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

0.66 }} 0.13%

score

0.80003

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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Scope
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