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Medium ELSA-2024-12157 1 CVE

Moderate: openssh security update (Oracle Linux 7)

Published Feb 13, 2024 · Updated Feb 13, 2024

Ecosystem: Oracle Linux

Summary

[7.4p1-23.0.3]
- add KEX_INITIAL flag [Orabug: 36160445]
- implement 'strict key exchange' [CVE-2023-48795][Orabug: 36160445]

Fixed packages 9

ReleasePackageFixed in
Oracle Linux · 7 openssh 0:7.4p1-23.0.3.el7_9
Oracle Linux · 7 openssh-askpass 0:7.4p1-23.0.3.el7_9
Oracle Linux · 7 openssh-cavs 0:7.4p1-23.0.3.el7_9
Oracle Linux · 7 openssh-clients 0:7.4p1-23.0.3.el7_9
Oracle Linux · 7 openssh-keycat 0:7.4p1-23.0.3.el7_9
Oracle Linux · 7 openssh-ldap 0:7.4p1-23.0.3.el7_9
Oracle Linux · 7 openssh-server 0:7.4p1-23.0.3.el7_9
Oracle Linux · 7 openssh-server-sysvinit 0:7.4p1-23.0.3.el7_9
Oracle Linux · 7 pam_ssh_agent_auth 0:0.10.3-2.23.0.3.el7_9

Vulnerabilities 1

  • Medium 5.9
    CVE-2023-48795 Public exploit Scanner template EPSS 94%

    Prefix Truncation Attack against ChaCha20-Poly1305 and Encrypt-then-MAC aka Terrapin

    The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some packets are omitted (from the extension negotiation message), and a client and server…

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