PT-2023-21585 · Avalanche · Avalanche

Published 2023-04-24 · Updated 2023-05-16 · CVE-2023-28128

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Avalanche versions 6.3.x and below

Description An unrestricted upload of file with a dangerous type vulnerability exists that could allow an attacker to achieve remote code execution.

Recommendations For Avalanche versions 6.3.x and below, consider restricting file uploads to only allow safe file types until a patch is available. As a temporary workaround, disabling the file upload feature can help minimize the risk of exploitation.

Exploit

Fix

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2023-28128

ZDI-23-456

Affected Products

Avalanche

References · 10

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/http/ivanti_avalanche_filestoreconfig_upload.rb · Exploit
• 🔥 https://packetstorm.news/files/id/172398 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-28128 · Security Note
• https://osv.dev/vulnerability/CVE-2023-28128 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-23-456 · Security Note
• https://forums.ivanti.com/s/article/ZDI-CAN-17812-Ivanti-Avalanche-FileStoreConfig-Arbitrary-File-Upload-Remote-Code-Execution-Vulnerability?language=en_US · Vendor Advisory
• https://t.me/cvenotify/50094 · Telegram Post
• https://t.me/cibsecurity/63713 · Telegram Post
• https://t.me/cvenotify/50100 · Telegram Post
• http://packetstormsecurity.com/files/172398/Ivanti-Avalanche-FileStoreConfig-Shell-Upload.html · Note