Buffer overflow in Accel-Ppp
CVE-2022-0982
The telnet_input_char function in opt/src/accel-pppd/cli/telnet.c suffers from a memory corruption vulnerability, whereby user input cmdline_len is copied into a fixed buffer b->buf without any bound checks. If the server connects with a malicious client, crafted client requests can remotely trigger this vulnerability.
Vulnerability class: Buffer Overflow
EPSS: 0.012 (66.5th 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
- Accel-ppp
- Https://accel-ppp.org/ Accel-ppp — versions 1.12
Weakness classification (CWE)
References
- cve_disclosure@tech.gov.sg (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2022-0982?
- CVE-2022-0982 is a critical-severity vulnerability in Accel-Ppp, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-03-16.
- How severe is CVE-2022-0982?
- Critical severity. CVSS v3 base score is 9.8 out of 10.