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OpenAdvisories
Medium · 4.0 Public exploit CVE-1999-0524 EUVD-1999-0522GHSA-5qg4-5cpf-4r9p

ICMP information such as (1) netmask and (2) timestamp is allowed from arbitrary hosts.

Published Feb 4, 2000 · Updated May 28, 2026 · Assigned by mitre

Package: kernel Ecosystem: Azure Linux

Description

ICMP information such as (1) netmask and (2) timestamp is allowed from arbitrary hosts.

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 2 (CBL-Mariner) kernel 5.10.78.1-1 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 3 repositories

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 3

References