What is CVE-2022-24705?

CVE-2022-24705 is a critical-severity vulnerability in Accel-Ppp, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2022-02-14.

How severe is CVE-2022-24705?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2022-24705 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Accel-Ppp

CVE-2022-24705

The rad_packet_recv function in radius/packet.c suffers from a memcpy buffer overflow, resulting in an overly-large recvfrom into a fixed buffer that causes a buffer overflow and overwrites arbitrary memory. If the server connects with a malicious client, crafted client requests can remotely trigger this vulnerability.

Vulnerability class: Buffer Overflow

EPSS: 0.012 (64.5th 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)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

cve_disclosure@tech.gov.sg (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2022-24705?: CVE-2022-24705 is a critical-severity vulnerability in Accel-Ppp, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2022-02-14.
How severe is CVE-2022-24705?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-24705 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.