Buffer overflow in Teluu Pjsip
CVE-2021-43301
Stack overflow in PJSUA API when calling pjsua_playlist_create. An attacker-controlled 'file_names' argument may cause a buffer overflow since it is copied to a fixed-size stack buffer without any size validation.
Vulnerability class: Buffer Overflow
EPSS: 0.024 (82.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Teluu Pjsip — versions unspecified
- Debian Debian_linux — versions 9.0, 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- reefs@jfrog.com (Patch, Third Party Advisory)
- reefs@jfrog.com (mailing-list, Mailing List, Third Party Advisory)
- reefs@jfrog.com (mailing-list, Mailing List, Third Party Advisory)
- reefs@jfrog.com (vendor-advisory, Third Party Advisory)
- reefs@jfrog.com (mailing-list)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2021-43301?
- CVE-2021-43301 is a critical-severity vulnerability in Teluu Pjsip, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2022-02-16.
- How severe is CVE-2021-43301?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-43301 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.