CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.8 | $0-$5k | 0.00 |
A vulnerability classified as critical was found in PolicyKit 0.115. This vulnerability affects an unknown function of the component UID Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
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.
The bug was discovered 12/02/2018. The weakness was shared 12/03/2018 by Jann Horn with Google (Website). The advisory is available at bugs.debian.org. This vulnerability was named CVE-2018-19788 since 12/02/2018. The exploitation appears to be difficult. The attack can be initiated remotely. The successful exploitation requires a single authentication. The technical details are unknown and an exploit is not available.
The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 119480 (Debian DSA-4350-1 : policykit-1 - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176720 (Debian Security Update for policykit-1 (DLA 1644-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 3 days after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (119480).
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.9VulDB Meta Temp Score: 6.8
VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 119480
Nessus Name: Debian DSA-4350-1 : policykit-1 - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
12/02/2018 🔍12/02/2018 🔍
12/03/2018 🔍
12/03/2018 🔍
12/04/2018 🔍
12/06/2018 🔍
12/07/2018 🔍
01/11/2019 🔍
06/12/2023 🔍
Sources
Advisory: RHSA-2019:2046Researcher: Jann Horn
Organization: Google
Status: Confirmed
CVE: CVE-2018-19788 (🔍)
OVAL: 🔍
SecurityFocus: 106537 - PolicyKit CVE-2019-6133 Unauthorized Access Vulnerability
Entry
Created: 12/04/2018 08:00Updated: 06/12/2023 14:39
Changes: 12/04/2018 08:00 (73), 04/16/2020 21:40 (7), 06/12/2023 14:39 (4)
Complete: 🔍
Cache ID: 3:CBF:103
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