CVE-2021-43099

An Archive Extraction (AKA "Zip Slip) vulnerability exists in bbs 5.3 in the UpgradeNow function in UpgradeManageAction.java, which unzips the arbitrary upladed zip file without checking filenames. The vulnerability is exploited using a specially crafted archive that holds directory traversal filenames (e.g. ../../evil.exe).
References
Link Resource
https://github.com/diyhi/bbs/issues/51 Exploit Third Party Advisory
https://github.com/diyhi/bbs/issues/51 Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:diyhi:bbs:5.3:*:*:*:*:*:*:*

History

21 Nov 2024, 06:28

Type Values Removed Values Added
References () https://github.com/diyhi/bbs/issues/51 - Exploit, Third Party Advisory () https://github.com/diyhi/bbs/issues/51 - Exploit, Third Party Advisory

Information

Published : 2022-03-28 22:15

Updated : 2024-11-21 06:28


NVD link : CVE-2021-43099

Mitre link : CVE-2021-43099

CVE.ORG link : CVE-2021-43099


JSON object : View

Products Affected

diyhi

  • bbs
CWE
CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')