CVE-2020-9015

** DISPUTED ** Arista DCS-7050QX-32S-R 4.20.9M, DCS-7050CX3-32S-R 4.20.11M, and DCS-7280SRAM-48C6-R 4.22.0.1F devices (and possibly other products) allow attackers to bypass intended TACACS+ shell restrictions via a | character. NOTE: the vendor reports that this is a configuration issue relating to an overly permissive regular expression in the TACACS+ server permitted commands.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://securitybytes.me/posts/cve-2020-9015/	Broken Link
https://securitybytes.me	Third Party Advisory
https://eos.arista.com/arista-eos-is-not-vulnerable-to-cve-2020-9015/
http://packetstormsecurity.com/files/158119/Arista-Restricted-Shell-Escape-Privilege-Escalation.html

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:arista:dcs-7050qx-32s-r_firmware:4.20.9m:*:*:*:*:*:*:*

cpe:2.3:h:arista:dcs-7050qx-32s-r:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:arista:dcs-7050cx3-32s-r_firmware:4.20.11m:*:*:*:*:*:*:*

cpe:2.3:h:arista:dcs-7050cx3-32s-r:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:arista:dcs-7280sram-48c6-r_firmware:4.22.0.1f:*:*:*:*:*:*:*

cpe:2.3:h:arista:dcs-7280sram-48c6-r:-:*:*:*:*:*:*:*

Information

Published : 2020-02-20 14:15

Updated : 2020-06-16 15:15

NVD link : CVE-2020-9015

Mitre link : CVE-2020-9015

JSON object : View

CWE

NVD-CWE-noinfo

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Products Affected

arista

dcs-7050qx-32s-r_firmware
dcs-7050cx3-32s-r_firmware
dcs-7050qx-32s-r
dcs-7280sram-48c6-r
dcs-7280sram-48c6-r_firmware
dcs-7050cx3-32s-r

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