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Medium ELSA-2015-0425 2 CVEs

Moderate: openssh security, bug fix and enhancement update (Oracle Linux 7)

Published Mar 9, 2015 · Updated Mar 9, 2015

Summary

[6.6.1p1-11 + 0.9.3-9]
- fix direction in CRYPTO_SESSION audit message (#1171248)

[6.6.1p1-10 + 0.9.3-9]
- add new option GSSAPIEnablek5users and disable using ~/.k5users by default CVE-2014-9278
(#1169843)

[6.6.1p1-9 + 0.9.3-9]
- log via monitor in chroots without /dev/log (#1083482)

[6.6.1p1-8 + 0.9.3-9]
- increase size of AUDIT_LOG_SIZE to 256 (#1171163)
- record pfs= field in CRYPTO_SESSION audit event (#1171248)

[6.6.1p1-7 + 0.9.3-9]
- fix gsskex patch to correctly handle MONITOR_REQ_GSSSIGN request (#1118005)

[6.6.1p1-6 + 0.9.3-9]
- correct the calculation of bytes for authctxt->krb5_ccname <ams@corefiling.com> (#1161073)

[6.6.1p1-5 + 0.9.3-9]
- change audit trail for unknown users (#1158521)

[6.6.1p1-4 + 0.9.3-9]
- revert the default of KerberosUseKuserok back to yes
- fix kuserok patch which checked for the existence of .k5login unconditionally
and hence prevented other mechanisms to be used properly

[6.6.1p1-3 + 0.9.3-9]
- fix parsing empty options in sshd_conf
- ignore SIGXFSZ in postauth monitor

[6.6.1p1-2 + 0.9.3-9]
- slightly change systemd units logic - use sshd-keygen.service (#1066615)
- log when a client requests an interactive session and only sftp is allowed (#1130198)
- sshd-keygen - don't generate DSA and ED25519 host keys in FIPS mode (#1143867)

[6.6.1p1-1 + 0.9.3-9]
- new upstream release (#1059667)
- prevent a server from skipping SSHFP lookup - CVE-2014-2653 (#1081338)
- make /etc/ssh/moduli file public (#1134448)
- test existence of /etc/ssh/ssh_host_ecdsa_key in sshd-keygen.service
- don't clean up gssapi credentials by default (#1134447)
- ssh-agent - try CLOCK_BOOTTIME with fallback (#1134449)
- disable the curve25519 KEX when speaking to OpenSSH 6.5 or 6.6
- add support for ED25519 keys to sshd-keygen and sshd.sysconfig
- standardise on NI_MAXHOST for gethostname() string lengths (#1097665)
- set a client's address right after a connection is set (mindrot#2257) (#912792)
- apply RFC3454 stringprep to banners when possible (mindrot#2058) (#1104662)
- don't consider a partial success as a failure (mindrot#2270) (#1112972)

Fixed packages 8

ReleasePackageFixed in
Oracle Linux · 7 openssh 0:6.6.1p1-11.el7
Oracle Linux · 7 openssh-askpass 0:6.6.1p1-11.el7
Oracle Linux · 7 openssh-clients 0:6.6.1p1-11.el7
Oracle Linux · 7 openssh-keycat 0:6.6.1p1-11.el7
Oracle Linux · 7 openssh-ldap 0:6.6.1p1-11.el7
Oracle Linux · 7 openssh-server 0:6.6.1p1-11.el7
Oracle Linux · 7 openssh-server-sysvinit 0:6.6.1p1-11.el7
Oracle Linux · 7 pam_ssh_agent_auth 0:0.9.3-9.11.el7

Vulnerabilities 2

  • Medium 6.5

    The verify_host_key function in sshconnect.c in the client in OpenSSH 6.6 and earlier allows remote servers to trigger …

  • Unscored —

    The OpenSSH server, as used in Fedora and Red Hat Enterprise Linux 7 and when running in a Kerberos environment, allows…