7.1
HIGH CVSS 3.0
CVE-2017-18270
Linux Kernel Keyring Escalation/Privilege Escalation Vulnerability
Description

In the Linux kernel before 4.13.5, a local user could create keyrings for other users via keyctl commands, setting unwanted defaults or causing a denial of service.

INFO

Published Date :

May 18, 2018, 4:29 p.m.

Last Modified :

Nov. 21, 2024, 3:19 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2017-18270 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 Linux linux_kernel
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 LOW [email protected]
CVSS 3.0 HIGH [email protected]
Solution
A vulnerability in the Linux kernel allows for privilege escalation; update to resolve it.
  • Update the affected kernel packages.
  • Reboot the system after updating.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-18270 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-2017-18270 weaknesses.

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).

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

The following list is the news that have been mention CVE-2017-18270 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-18270 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=237bbd29f7a049d310d907f4b2716a7feef9abf3
    Added Reference http://www.securityfocus.com/bid/104254
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1580979
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1856774#c11
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1856774#c9
    Added Reference https://github.com/torvalds/linux/commit/237bbd29f7a049d310d907f4b2716a7feef9abf3
    Added Reference https://support.f5.com/csp/article/K37301725
    Added Reference https://usn.ubuntu.com/3754-1/
    Added Reference https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Aug. 14, 2020

    Action Type Old Value New Value
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1856774#c11 [No Types Assigned]
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1856774#c9 [No Types Assigned]
    Added Reference https://support.f5.com/csp/article/K37301725 [No Types Assigned]
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1580979 [No Types Assigned]
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-255 CWE-264 NVD-CWE-noinfo
  • CVE Modified by [email protected]

    Aug. 24, 2018

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3754-1/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Jun. 19, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:L/Au:N/C:N/I:P/A:P)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
    Changed Reference Type http://www.securityfocus.com/bid/104254 No Types Assigned http://www.securityfocus.com/bid/104254 Third Party Advisory, VDB Entry
    Changed Reference Type https://github.com/torvalds/linux/commit/237bbd29f7a049d310d907f4b2716a7feef9abf3 No Types Assigned https://github.com/torvalds/linux/commit/237bbd29f7a049d310d907f4b2716a7feef9abf3 Patch
    Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=237bbd29f7a049d310d907f4b2716a7feef9abf3 No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=237bbd29f7a049d310d907f4b2716a7feef9abf3 Patch
    Changed Reference Type https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5 No Types Assigned https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5 Release Notes
    Added CWE CWE-255
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.13.5
  • CVE Modified by [email protected]

    May. 25, 2018

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/104254 [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.
Vulnerability Scoring Details
Base CVSS Score: 7.1
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 3.6
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

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

0.02 }} -0.00%

score

0.02292

percentile