CVE-2022-0982

Buffer Overflow via crafted client request in Accel-PPP v1.12

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.41%
Third-Party Advisory github.com
Affected: https://accel-ppp.org/ Accel-PPP
Published at:
Updated at:

References

Link Tags
https://github.com/xebd/accel-ppp/issues/164 third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-0982?
CVE-2022-0982 has been scored as a critical severity vulnerability.
How to fix CVE-2022-0982?
To fix CVE-2022-0982, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-0982 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-0982 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-0982?
CVE-2022-0982 affects https://accel-ppp.org/ Accel-PPP.
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