Vulnerability · Published Feb 14, 2022 · Assigned by GovTech CSG
CVE-2022-24704Buffer Overflow via Crafted IPv6 Addr Attribute Type 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 68% of all known vulnerabilities).
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.2%top 32.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
The rad_packet_recv function in opt/src/accel-pppd/radius/packet.c suffers from a buffer overflow vulnerability, whereby user input len is copied into a fixed buffer &attr->val.integer without any bound checks. If the client connects to the server and sends a large radius packet, a buffer overflow vulnerability will be triggered.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| https://accel-ppp.org/ | Accel-PPP | 1.12 – through 1.12 |
References
- https://github.com/accel-ppp/accel-ppp/pull/35 x_refsource_MISC