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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
235

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.97 High

EPSS

Percentile

99.6%

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.

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.97 High

EPSS

Percentile

99.6%