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hackeroneSkarsomH1:1067291
HistoryDec 28, 2020 - 6:18 a.m.

U.S. Dept Of Defense: RCE in ██████ subdomain via CVE-2017-1000486

2020-12-2806:18:10
skarsom
hackerone.com
277
dod
dept of defense
remote code execution
cve-2017-1000486
primefaces
unauthenticated
restsvr1
vulnerability
mitigation
unix
tomcat
ip
bug bounty

EPSS

0.97

Percentile

99.8%

Summary:
The application at ████████/ftn-Website/ uses primefaces 5.3 but not 5.3.8, making it vulnerable to unauthenticated RCE CVE-2017-1000486.

Step-by-step Reproduction Instructions

  1. Get the publicly available POC for this vulnerability here: https://github.com/pimps/CVE-2017-1000486
  2. Execute: python primefaces.py ███/ftn-Website/ -c id
  3. Success: uid=91(tomcat) gid=91(tomcat) groups=91(tomcat) context=system_u:system_r:tomcat_t:s0

Product, Version, and Configuration (If applicable)

primefaces 5.3

Suggested Mitigation/Remediation Actions

Update primefaces.

Impact

An unauthenticated, 3rd-party attacker or adversary can execute remote code on restsvr1.ftn.research.usafa.edu as the unix tomcat user. Note that this service uses a DoD IP, suggesting an attacker could potentially pivot elsewhere afterwards.