CVE-2021-43303

Description

Buffer overflow in PJSUA API when calling pjsua_call_dump. An attacker-controlled 'buffer' argument may cause a buffer overflow, since supplying an output buffer smaller than 128 characters may overflow the output buffer, regardless of the 'maxlen' argument supplied

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.34%
Vendor Advisory debian.org
Affected: teluu pjsip
Published at:
Updated at:

References

Link Tags
https://github.com/pjsip/pjproject/security/advisories/GHSA-qcvw-h34v-c7r9 third party advisory patch
https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html third party advisory mailing list
https://www.debian.org/security/2022/dsa-5285 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html mailing list

Frequently Asked Questions

What is the severity of CVE-2021-43303?
CVE-2021-43303 has been scored as a critical severity vulnerability.
How to fix CVE-2021-43303?
To fix CVE-2021-43303, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-43303 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-43303 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-43303?
CVE-2021-43303 affects teluu pjsip.
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