CVE-2021-28508: TerminAttr streams IPsec sensitive data in clear text to other authorized users in CVP
First published: Wed May 25 2022(Updated: )
This advisory documents the impact of an internally found vulnerability in Arista EOS state streaming telemetry agent TerminAttr and OpenConfig transport protocols. The impact of this vulnerability is that, in certain conditions, TerminAttr might leak IPsec sensitive data in clear text in CVP to other authorized users, which could cause IPsec traffic to be decrypted or modified by other authorized users on the device.
Credit: psirt@arista.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Arista Terminattr | <1.10.11 | |
| Arista Terminattr | >=1.11.0<1.16.8 | |
| Arista Terminattr | >=1.17.0<1.19.0 | |
| Arista EOS | >=4.23<=4.23.11 | |
| Arista EOS | >=4.24<4.24.10 | |
| Arista EOS | >=4.25<4.25.8 | |
| Arista EOS | >=4.26<4.26.6 | |
| Arista EOS | >=4.27<4.27.2 | |
| Arista Ccs-722xpm-48y4 | ||
| Arista Ccs-722xpm-48zy8 | ||
| Arista 7050cx3-32s | ||
| Arista 7050cx3m-32s | ||
| Arista 7050sx3-48c8 | ||
| Arista 7050sx3-48yc | ||
| Arista 7050sx3-48yc12 | ||
| Arista 7050sx3-48yc8 | ||
| Arista 7050sx3-96yc8 | ||
| Arista 7050tx3-48c8 | ||
| Arista Dcs-7050cx3-32s | ||
| Arista Dcs-7050cx3-32s-r | ||
| Arista Dcs-7050cx3m-32s | ||
| Arista Dcs-7050sx3-48c8 | ||
| Arista Dcs-7050sx3-48yc12 | ||
| Arista Dcs-7050sx3-48yc8 | ||
| Arista Dcs-7050sx3-96yc8 | ||
| Arista 7280cr2ak-30 | ||
| Arista 7280cr2k-60 | ||
| Arista 7280cr3-32d4 | ||
| Arista 7280cr3-32p4 | ||
| Arista 7280cr3-96 | ||
| Arista 7280cr3k-32d4 | ||
| Arista 7280cr3k-32p4 | ||
| Arista 7280cr3k-96 | ||
| Arista 7280dr3-24 | ||
| Arista 7280dr3k-24 | ||
| Arista 7280pr3-24 | ||
| Arista 7280pr3k-24 | ||
| Arista 7280r2 | ||
| Arista 7280r3 | ||
| Arista 7280sr3-48yc8 | ||
| Arista 7280sr3k-48yc8 | ||
| Arista 7500r2 | ||
| Arista 7500r3 | ||
| Arista 7500r3-24d | ||
| Arista 7500r3-24p | ||
| Arista 7500r3-36cq | ||
| Arista 7500r3k-36cq | ||
| Arista 7800r3-36p | ||
| Arista 7800r3-48cq | ||
| Arista 7800r3k-48cq | ||
| Arista 7388x5 |
Remedy
The recommended resolution is to upgrade to a remediated software version at your earliest convenience. The vulnerability is fixed in the following versions: EOS versions: 4.24.10 and later release in the 4.24.x train 4.25.8 and later releases in the 4.25.x train 4.26.6 and later releases in the 4.26.x train 4.27.2 and later releases in the 4.27.x train TerminAttr versions: TerminAttr v1.10.11 and later releases in the v1.10.x train TerminAttr v1.16.8 and later releases in the v1.16.x train TerminAttr v1.19.0 and later releases
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is CVE-2021-28508?
CVE-2021-28508 is an internally found vulnerability in Arista EOS state streaming telemetry agent TerminAttr and OpenConfig transport protocols that can leak IPsec sensitive data in clear text in CVP to other systems.
Which software is affected by CVE-2021-28508?
Arista TerminAttr versions 1.10.11, 1.11.0 to 1.16.8, and 1.17.0 to 1.19.0 as well as Arista EOS versions 4.23 to 4.23.11, 4.24 to 4.24.10, 4.25 to 4.25.8, 4.26 to 4.26.6, and 4.27 to 4.27.2 are affected by CVE-2021-28508.
What is the severity of CVE-2021-28508?
CVE-2021-28508 has a severity level of medium with a CVSS score of 6.1.
How can I fix CVE-2021-28508?
To fix CVE-2021-28508, it is recommended to upgrade to a non-vulnerable version of Arista TerminAttr or Arista EOS.
Where can I find more information about CVE-2021-28508?
More information about CVE-2021-28508 can be found in the Arista Security Advisory 0077 at this link: [https://www.arista.com/en/support/advisories-notices/security-advisories/15484-security-advisory-0077]
- collector/nvd-index
- agent/weakness
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/title
- agent/author
- agent/last-modified-date
- agent/remedy
- agent/references
- agent/tags
- agent/description
- agent/first-publish-date
- agent/event
- agent/type
- vendor/arista
- canonical/arista terminattr
- version/arista terminattr/1.11.0
- version/arista terminattr/1.17.0
- canonical/arista eos
- version/arista eos/4.23
- version/arista eos/4.23.11
- version/arista eos/4.24
- version/arista eos/4.25
- version/arista eos/4.26
- version/arista eos/4.27
- canonical/arista ccs-722xpm-48y4
- canonical/arista ccs-722xpm-48zy8
- canonical/arista 7050cx3-32s
- canonical/arista 7050cx3m-32s
- canonical/arista 7050sx3-48c8
- canonical/arista 7050sx3-48yc
- canonical/arista 7050sx3-48yc12
- canonical/arista 7050sx3-48yc8
- canonical/arista 7050sx3-96yc8
- canonical/arista 7050tx3-48c8
- canonical/arista dcs-7050cx3-32s
- canonical/arista dcs-7050cx3-32s-r
- canonical/arista dcs-7050cx3m-32s
- canonical/arista dcs-7050sx3-48c8
- canonical/arista dcs-7050sx3-48yc12
- canonical/arista dcs-7050sx3-48yc8
- canonical/arista dcs-7050sx3-96yc8
- canonical/arista 7280cr2ak-30
- canonical/arista 7280cr2k-60
- canonical/arista 7280cr3-32d4
- canonical/arista 7280cr3-32p4
- canonical/arista 7280cr3-96
- canonical/arista 7280cr3k-32d4
- canonical/arista 7280cr3k-32p4
- canonical/arista 7280cr3k-96
- canonical/arista 7280dr3-24
- canonical/arista 7280dr3k-24
- canonical/arista 7280pr3-24
- canonical/arista 7280pr3k-24
- canonical/arista 7280r2
- canonical/arista 7280r3
- canonical/arista 7280sr3-48yc8
- canonical/arista 7280sr3k-48yc8
- canonical/arista 7500r2
- canonical/arista 7500r3
- canonical/arista 7500r3-24d
- canonical/arista 7500r3-24p
- canonical/arista 7500r3-36cq
- canonical/arista 7500r3k-36cq
- canonical/arista 7800r3-36p
- canonical/arista 7800r3-48cq
- canonical/arista 7800r3k-48cq
- canonical/arista 7388x5