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Rocky Linux: CVE-2024-6409: openssh (RLSA-2024-4457)

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Rocky Linux: CVE-2024-6409: openssh (RLSA-2024-4457)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
07/08/2024
Created
07/16/2024
Added
07/16/2024
Modified
11/18/2024

Description

A race condition vulnerability was discovered in how signals are handled by OpenSSH's server (sshd). If a remote attacker does not authenticate within a set time period, then sshd's SIGALRM handler is called asynchronously. However, this signal handler calls various functions that are not async-signal-safe, for example, syslog(). As a consequence of a successful attack, in the worst case scenario, an attacker may be able to perform a remote code execution (RCE) as an unprivileged user running the sshd server.

Solution(s)

  • rocky-upgrade-openssh
  • rocky-upgrade-openssh-askpass
  • rocky-upgrade-openssh-askpass-debuginfo
  • rocky-upgrade-openssh-clients
  • rocky-upgrade-openssh-clients-debuginfo
  • rocky-upgrade-openssh-debuginfo
  • rocky-upgrade-openssh-debugsource
  • rocky-upgrade-openssh-keycat
  • rocky-upgrade-openssh-keycat-debuginfo
  • rocky-upgrade-openssh-server
  • rocky-upgrade-openssh-server-debuginfo
  • rocky-upgrade-pam_ssh_agent_auth
  • rocky-upgrade-pam_ssh_agent_auth-debuginfo

References

  • https://attackerkb.com/topics/cve-2024-6409
  • CVE - 2024-6409
  • https://errata.rockylinux.org/RLSA-2024:4457
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  • 已创建
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