Resource exhaustion in pjsip - CVE-2021-21375
Published: May 4, 2022
Vulnerability identifier: #VU62780
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-21375
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
pjsip
pjsip
Software vendor:
pjsip
pjsip
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.
External links
- https://github.com/pjsip/pjproject/commit/97b3d7addbaa720b7ddb0af9bf6f3e443e664365
- https://github.com/pjsip/pjproject/security/advisories/GHSA-hvq6-f89p-frvp
- https://lists.debian.org/debian-lts-announce/2021/04/msg00023.html
- https://lists.debian.org/debian-lts-announce/2021/05/msg00020.html
- https://security.gentoo.org/glsa/202107-42