Vulnerability · Published Mar 16, 2022 · Assigned by GovTech CSG
CVE-2022-0982Buffer Overflow via crafted client request in Accel-PPP v1.12
Critical 9.8
In plain English
A critical-severity security flaw in Accel-PPP from https://accel-ppp.org/. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.2%top 30.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| https://accel-ppp.org/ | Accel-PPP | 1.12 – through 1.12 |
References
- https://github.com/xebd/accel-ppp/issues/164 x_refsource_MISC