VULNERABILITY INTELLIGENCE
CVE-2022-0982
CVSS score9.8 CRITICAL
EPSS probability1.23%
CISA KEVNot currently listed
Published2022-03-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
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.
Weakness classification
- nvd@nist.gov: CWE-787
Primary references
- cve_disclosure@tech.gov.sg — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory