8.8
HIGH
CVE-2018-19788
PolicyKit Int32 Wraparound Privilege Escalation
Description

A flaw was found in PolicyKit (aka polkit) 0.115 that allows a user with a uid greater than INT_MAX to successfully execute any systemctl command.

INFO

Published Date :

Dec. 3, 2018, 6:29 a.m.

Last Modified :

Aug. 6, 2019, 5:15 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2018-19788 has a 11 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2018-19788 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Canonical ubuntu_linux
1 Debian debian_linux
1 Polkit_project polkit
: Total Affected Vendor : 3 | Products : 3
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-19788.

URL Resource
https://access.redhat.com/errata/RHSA-2019:2046
https://access.redhat.com/errata/RHSA-2019:3232
https://bugs.debian.org/915332 Issue Tracking Mailing List Third Party Advisory
https://gitlab.freedesktop.org/polkit/polkit/issues/74 Exploit Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/01/msg00021.html Third Party Advisory
https://security.gentoo.org/glsa/201908-14
https://usn.ubuntu.com/3861-1/ Third Party Advisory
https://usn.ubuntu.com/3861-2/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4350 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
lnick2023/nicenice

None

Updated: 1 year, 8 months ago
0 stars 0 fork 0 watcher
Born at : Jan. 11, 2023, 1:21 p.m. This repo has been linked 1042 different CVEs too.
Profile Photo
anquanscan/sec-tools

None

Updated: 1 week, 6 days ago
17 stars 5 fork 5 watcher
Born at : July 28, 2022, 3:22 a.m. This repo has been linked 149 different CVEs too.
Profile Photo
0xT11/CVE-POC

None

Updated: 1 month ago
82 stars 32 fork 32 watcher
Born at : Oct. 2, 2020, 2:49 p.m. This repo has been linked 1111 different CVEs too.
Profile Photo
xbl3/awesome-cve-poc_qazbnm456

None

Updated: 1 month, 1 week ago
13 stars 4 fork 4 watcher
Born at : May 25, 2020, 7:51 a.m. This repo has been linked 1027 different CVEs too.
Profile Photo
jhlongjr/CVE-2018-19788

Exploiting The CVE-2018-19788 PolicyKit Bug

Updated: 4 years ago
1 stars 0 fork 0 watcher
Born at : Dec. 31, 2018, 4:54 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
nononovak/otwadvent2018-ctfwriteup

Writeup for the OverTheWire Advent Bonanza 2018 CTF (https://advent2018.overthewire.org/)

Updated: 2 years, 11 months ago
5 stars 2 fork 2 watcher
Born at : Dec. 24, 2018, 4:06 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
Ekultek/PoC

Leveraging CVE-2018-19788 without root shells

Python

Updated: 8 months, 4 weeks ago
18 stars 4 fork 4 watcher
Born at : Dec. 17, 2018, 7:26 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
d4gh0s7/CVE-2018-19788

Ansible role to check the vulnerability tracked as CVE-2018-19788, impacts PolicyKit version 0.115 which comes pre-installed on a wide range of Linux distributions

cve-2018-19788 security security-audit poc exploit ansible ansible-role

Shell

Updated: 4 years, 9 months ago
3 stars 0 fork 0 watcher
Born at : Dec. 7, 2018, 8:27 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
AbsoZed/CVE-2018-19788

Silly easy exploit for CVE-2018-19788

Shell

Updated: 2 years, 2 months ago
5 stars 4 fork 4 watcher
Born at : Dec. 7, 2018, 12:42 a.m. This repo has been linked 1 different CVEs too.
Profile Photo
mirchr/security-research

Security Research

vulnerabilities exploit-code security-research

Shell

Updated: 1 month, 1 week ago
94 stars 28 fork 28 watcher
Born at : Nov. 6, 2018, 4:01 a.m. This repo has been linked 21 different CVEs too.
Profile Photo
qazbnm456/awesome-cve-poc

✍️ A curated list of CVE PoCs.

awesome cve poc

Updated: 1 week, 4 days ago
3289 stars 678 fork 678 watcher
Born at : Feb. 2, 2017, 6:43 a.m. This repo has been linked 1042 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-19788 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-19788 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 29, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:3232 [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 15, 2019

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201908-14 [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 06, 2019

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2019:2046 [No Types Assigned]
  • Initial Analysis by [email protected]

    Feb. 05, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:S/C:C/I:C/A:C)
    Added CVSS V3 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.debian.org/security/2018/dsa-4350 No Types Assigned https://www.debian.org/security/2018/dsa-4350 Third Party Advisory
    Changed Reference Type https://gitlab.freedesktop.org/polkit/polkit/issues/74 No Types Assigned https://gitlab.freedesktop.org/polkit/polkit/issues/74 Exploit, Patch, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2019/01/msg00021.html No Types Assigned https://lists.debian.org/debian-lts-announce/2019/01/msg00021.html Third Party Advisory
    Changed Reference Type https://bugs.debian.org/915332 No Types Assigned https://bugs.debian.org/915332 Issue Tracking, Mailing List, Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3861-1/ No Types Assigned https://usn.ubuntu.com/3861-1/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3861-2/ No Types Assigned https://usn.ubuntu.com/3861-2/ Third Party Advisory
    Added CWE CWE-20
    Added CPE Configuration OR *cpe:2.3:a:polkit_project:polkit:0.115:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jan. 29, 2019

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2019/01/msg00021.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 17, 2019

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3861-2/ [No Types Assigned]
    Added Reference https://usn.ubuntu.com/3861-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 07, 2018

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2018/dsa-4350 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-19788 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2018-19788 weaknesses.

CAPEC-3: Using Leading 'Ghost' Character Sequences to Bypass Input Filters Using Leading 'Ghost' Character Sequences to Bypass Input Filters CAPEC-7: Blind SQL Injection Blind SQL Injection CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-13: Subverting Environment Variable Values Subverting Environment Variable Values CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-22: Exploiting Trust in Client Exploiting Trust in Client CAPEC-23: File Content Injection File Content Injection CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-28: Fuzzing Fuzzing CAPEC-31: Accessing/Intercepting/Modifying HTTP Cookies Accessing/Intercepting/Modifying HTTP Cookies CAPEC-42: MIME Conversion MIME Conversion CAPEC-43: Exploiting Multiple Input Interpretation Layers Exploiting Multiple Input Interpretation Layers CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-52: Embedding NULL Bytes Embedding NULL Bytes CAPEC-53: Postfix, Null Terminate, and Backslash Postfix, Null Terminate, and Backslash CAPEC-63: Cross-Site Scripting (XSS) Cross-Site Scripting (XSS) CAPEC-64: Using Slashes and URL Encoding Combined to Bypass Validation Logic Using Slashes and URL Encoding Combined to Bypass Validation Logic CAPEC-67: String Format Overflow in syslog() String Format Overflow in syslog() CAPEC-71: Using Unicode Encoding to Bypass Validation Logic Using Unicode Encoding to Bypass Validation Logic CAPEC-72: URL Encoding URL Encoding CAPEC-73: User-Controlled Filename User-Controlled Filename CAPEC-78: Using Escaped Slashes in Alternate Encoding Using Escaped Slashes in Alternate Encoding CAPEC-79: Using Slashes in Alternate Encoding Using Slashes in Alternate Encoding CAPEC-80: Using UTF-8 Encoding to Bypass Validation Logic Using UTF-8 Encoding to Bypass Validation Logic CAPEC-81: Web Server Logs Tampering Web Server Logs Tampering CAPEC-83: XPath Injection XPath Injection CAPEC-85: AJAX Footprinting AJAX Footprinting CAPEC-88: OS Command Injection OS Command Injection CAPEC-101: Server Side Include (SSI) Injection Server Side Include (SSI) Injection CAPEC-104: Cross Zone Scripting Cross Zone Scripting CAPEC-108: Command Line Execution through SQL Injection Command Line Execution through SQL Injection CAPEC-109: Object Relational Mapping Injection Object Relational Mapping Injection CAPEC-110: SQL Injection through SOAP Parameter Tampering SQL Injection through SOAP Parameter Tampering CAPEC-120: Double Encoding Double Encoding CAPEC-135: Format String Injection Format String Injection CAPEC-136: LDAP Injection LDAP Injection CAPEC-153: Input Data Manipulation Input Data Manipulation CAPEC-182: Flash Injection Flash Injection CAPEC-209: XSS Using MIME Type Mismatch XSS Using MIME Type Mismatch CAPEC-230: Serialized Data with Nested Payloads Serialized Data with Nested Payloads CAPEC-231: Oversized Serialized Data Payloads Oversized Serialized Data Payloads CAPEC-250: XML Injection XML Injection CAPEC-261: Fuzzing for garnering other adjacent user/sensitive data Fuzzing for garnering other adjacent user/sensitive data CAPEC-267: Leverage Alternate Encoding Leverage Alternate Encoding CAPEC-473: Signature Spoof Signature Spoof CAPEC-588: DOM-Based XSS DOM-Based XSS CAPEC-664: Server Side Request Forgery Server Side Request Forgery
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.60 }} -0.14%

score

0.78400

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: