CVE-2021-1492 (GCVE-0-2021-1492)

Vulnerability from cvelistv5 – Published: 2021-03-25 14:25 – Updated: 2024-11-08 23:30
VLAI?
Summary
The Duo Authentication Proxy installer prior to 5.2.1 did not properly validate file installation paths. This allows an attacker with local user privileges to coerce the installer to write to arbitrary privileged directories. If successful, an attacker can manipulate files used by Duo Authentication Proxy installer, cause Denial of Service (DoS) by deleting file(s), or replace system files to potentially achieve elevation of privileges. This is only exploitable during new installations, while the installer is running, and is not exploitable once installation has finished. Versions 5.2.1 of Duo Authentication Proxy installer addresses this issue.
Severity ?
6.6 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H
CWE
Assigner
References
https://help.duo.com/s/article/6789 vendor-advisoryx_refsource_CISCO
Impacted products
Vendor Product Version
Cisco Duo Authentication Proxy Affected: unspecified , < 5.2.1 (custom)
Create a notification for this product.
Credits
Duo Security appreciates Ido Hoorvitch from CyberArk Labs for reporting the method of exploitation.
Show details on NVD website
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}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.