CVE-2020-14145

The client side in OpenSSH 5.7 through 8.4 has an Observable Discrepancy leading to an information leak in the algorithm negotiation. This allows man-in-the-middle attackers to target initial connection attempts (where no host key for the server has been cached by the client). NOTE: some reports state that 8.5 and 8.6 are also affected.
References
Link Resource
http://www.openwall.com/lists/oss-security/2020/12/02/1 Mailing List Patch Third Party Advisory
https://anongit.mindrot.org/openssh.git/commit/?id=b3855ff053f5078ec3d3c653cdaedefaa5fc362d Patch Third Party Advisory
https://docs.ssh-mitm.at/CVE-2020-14145.html Third Party Advisory
https://github.com/openssh/openssh-portable/compare/V_8_3_P1...V_8_4_P1 Patch Third Party Advisory
https://github.com/ssh-mitm/ssh-mitm/blob/master/ssh_proxy_server/plugins/session/cve202014145.py Third Party Advisory
https://security.gentoo.org/glsa/202105-35 Third Party Advisory
https://security.netapp.com/advisory/ntap-20200709-0004/ Third Party Advisory
https://www.fzi.de/en/news/news/detail-en/artikel/fsa-2020-2-ausnutzung-eines-informationslecks-fuer-gezielte-mitm-angriffe-auf-ssh-clients/ Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/12/02/1 Mailing List Patch Third Party Advisory
https://anongit.mindrot.org/openssh.git/commit/?id=b3855ff053f5078ec3d3c653cdaedefaa5fc362d Patch Third Party Advisory
https://docs.ssh-mitm.at/CVE-2020-14145.html Third Party Advisory
https://github.com/openssh/openssh-portable/compare/V_8_3_P1...V_8_4_P1 Patch Third Party Advisory
https://github.com/ssh-mitm/ssh-mitm/blob/master/ssh_proxy_server/plugins/session/cve202014145.py Third Party Advisory
https://security.gentoo.org/glsa/202105-35 Third Party Advisory
https://security.netapp.com/advisory/ntap-20200709-0004/ Third Party Advisory
https://www.fzi.de/en/news/news/detail-en/artikel/fsa-2020-2-ausnutzung-eines-informationslecks-fuer-gezielte-mitm-angriffe-auf-ssh-clients/ Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:8.4:-:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:8.5:-:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:8.6:-:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:netapp:aff_a700s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:aff_a700s:-:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:vmware_vsphere:*:*
cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:hci_storage_node:-:*:*:*:*:*:*:*

History

21 Nov 2024, 05:02

Type Values Removed Values Added
References () http://www.openwall.com/lists/oss-security/2020/12/02/1 - Mailing List, Patch, Third Party Advisory () http://www.openwall.com/lists/oss-security/2020/12/02/1 - Mailing List, Patch, Third Party Advisory
References () https://anongit.mindrot.org/openssh.git/commit/?id=b3855ff053f5078ec3d3c653cdaedefaa5fc362d - Patch, Third Party Advisory () https://anongit.mindrot.org/openssh.git/commit/?id=b3855ff053f5078ec3d3c653cdaedefaa5fc362d - Patch, Third Party Advisory
References () https://docs.ssh-mitm.at/CVE-2020-14145.html - Third Party Advisory () https://docs.ssh-mitm.at/CVE-2020-14145.html - Third Party Advisory
References () https://github.com/openssh/openssh-portable/compare/V_8_3_P1...V_8_4_P1 - Patch, Third Party Advisory () https://github.com/openssh/openssh-portable/compare/V_8_3_P1...V_8_4_P1 - Patch, Third Party Advisory
References () https://github.com/ssh-mitm/ssh-mitm/blob/master/ssh_proxy_server/plugins/session/cve202014145.py - Third Party Advisory () https://github.com/ssh-mitm/ssh-mitm/blob/master/ssh_proxy_server/plugins/session/cve202014145.py - Third Party Advisory
References () https://security.gentoo.org/glsa/202105-35 - Third Party Advisory () https://security.gentoo.org/glsa/202105-35 - Third Party Advisory
References () https://security.netapp.com/advisory/ntap-20200709-0004/ - Third Party Advisory () https://security.netapp.com/advisory/ntap-20200709-0004/ - Third Party Advisory
References () https://www.fzi.de/en/news/news/detail-en/artikel/fsa-2020-2-ausnutzung-eines-informationslecks-fuer-gezielte-mitm-angriffe-auf-ssh-clients/ - Third Party Advisory () https://www.fzi.de/en/news/news/detail-en/artikel/fsa-2020-2-ausnutzung-eines-informationslecks-fuer-gezielte-mitm-angriffe-auf-ssh-clients/ - Third Party Advisory

28 Apr 2022, 19:34

Type Values Removed Values Added
References (GENTOO) https://security.gentoo.org/glsa/202105-35 - (GENTOO) https://security.gentoo.org/glsa/202105-35 - Third Party Advisory
CWE CWE-200 CWE-203

26 May 2021, 14:15

Type Values Removed Values Added
References
  • (GENTOO) https://security.gentoo.org/glsa/202105-35 -

24 May 2021, 14:06

Type Values Removed Values Added
CPE cpe:2.3:a:openbsd:openssh:8.6:-:*:*:*:*:*:*
cpe:2.3:a:openbsd:openssh:8.5:-:*:*:*:*:*:*

24 May 2021, 05:15

Type Values Removed Values Added
Summary The client side in OpenSSH 5.7 through 8.4 has an Observable Discrepancy leading to an information leak in the algorithm negotiation. This allows man-in-the-middle attackers to target initial connection attempts (where no host key for the server has been cached by the client). The client side in OpenSSH 5.7 through 8.4 has an Observable Discrepancy leading to an information leak in the algorithm negotiation. This allows man-in-the-middle attackers to target initial connection attempts (where no host key for the server has been cached by the client). NOTE: some reports state that 8.5 and 8.6 are also affected.

Information

Published : 2020-06-29 18:15

Updated : 2024-11-21 05:02


NVD link : CVE-2020-14145

Mitre link : CVE-2020-14145

CVE.ORG link : CVE-2020-14145


JSON object : View

Products Affected

netapp

  • steelstore_cloud_integrated_storage
  • solidfire
  • hci_management_node
  • hci_compute_node
  • aff_a700s
  • active_iq_unified_manager
  • hci_storage_node
  • ontap_select_deploy_administration_utility
  • aff_a700s_firmware

openbsd

  • openssh
CWE
CWE-203

Observable Discrepancy