CVE-2022-24704 Buffer Overflow via Crafted IPv6 Addr Attribute Type Client Request in Accel-PPP v1.12
A buffer overflow in Accel-PPP allows remote attackers to execute arbitrary code or cause denial of service via crafted IPv6 address attributes in RADIUS packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-24704?
CVE-2022-24704 is a critical memory corruption vulnerability in https://accel-ppp.org/ Accel-PPP, published on 14 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-120
Which versions are affected by CVE-2022-24704?
It affects 1 product.
Products include Accel-Ppp Accel-Ppp.
How do I fix CVE-2022-24704?
No fix has been published for CVE-2022-24704 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-24704 being exploited?
There is no known exploitation of CVE-2022-24704 in the wild and no public exploit code.
Other vulnerabilities in https://accel-ppp.org/ Accel-PPP
- CVE-2022-0982 Buffer Overflow via crafted client request in Accel-PPP v1.12
- CVE-2022-24705 Buffer Overflow via Crafted Ipv6 Prefix Attribute Type Client Request in accel-ppp v1.12
- CVE-2020-28194 Integer overflow in n/a
- CVE-2020-15173 Heap buffer overflow in ACCEL-PPP
- CVE-2021-42870 Memory corruption in n/a
Sources
Also known as GHSA-gxcf-jm3m-9c7x.