Security News > 2022 > December > Critical Ping Vulnerability Allows Remote Attackers to Take Over FreeBSD Systems
The maintainers of the FreeBSD operating system have released updates to remediate a security vulnerability impacting the ping module that could be potentially exploited to crash the program or trigger remote code execution.
The issue, assigned the identifier CVE-2022-23093, impacts all supported versions of FreeBSD and concerns a stack-based buffer overflow vulnerability in the ping service.
"Ping reads raw IP packets from the network to process responses in the pr pack() function," according to an advisory published last week.
"The pr pack() copies received IP and ICMP headers into stack buffers for further processing. In so doing, it fails to take into account the possible presence of IP option headers following the IP header in either the response or the quoted packet."
The FreeBSD Project noted that the ping process runs in a capability mode sandbox and is therefore constrained in how it can interact with the rest of the operating system.
The findings come as researchers from Qualys detailed another new vulnerability in the snap-confine program in the Linux operating system, building upon a previous privilege escalation flaw that came to light in February 2022.
News URL
https://thehackernews.com/2022/12/critical-ping-vulnerability-allows.html
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Related Vulnerability
DATE | CVE | VULNERABILITY TITLE | RISK |
---|---|---|---|
2024-02-15 | CVE-2022-23093 | ping reads raw IP packets from the network to process responses in the pr_pack() function. | 0.0 |