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CVE-2021-21375

MEDIUM

6.5

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 PJSIP version 2.10 and earlier, after an initial INVITE has been sent, when two 183 responses are received, with the first one causing negotiation failure, a crash will occur. This results in a denial of service.

CVE Details

CVSS v3.1 Score6.5

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published3/10/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

debian:debian_linuxteluu:pjsip

Weaknesses (CWE)

CWE-400CWE-754

References

https://github.com/pjsip/pjproject/commit/97b3d7addbaa720b7ddb0af9bf6f3e443e664365(security-advisories@github.com)

https://github.com/pjsip/pjproject/security/advisories/GHSA-hvq6-f89p-frvp(security-advisories@github.com)

https://lists.debian.org/debian-lts-announce/2021/04/msg00023.html(security-advisories@github.com)

https://lists.debian.org/debian-lts-announce/2021/05/msg00020.html(security-advisories@github.com)

https://security.gentoo.org/glsa/202107-42(security-advisories@github.com)

https://github.com/pjsip/pjproject/commit/97b3d7addbaa720b7ddb0af9bf6f3e443e664365(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/pjsip/pjproject/security/advisories/GHSA-hvq6-f89p-frvp(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2021/04/msg00023.html(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2021/05/msg00020.html(af854a3a-2127-422b-91ae-364da2661108)

https://security.gentoo.org/glsa/202107-42(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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