7.8
HIGH
CVE-2017-18075
Linux Kernel Pcrypt Denial of Service Vulnerability
Description

crypto/pcrypt.c in the Linux kernel before 4.14.13 mishandles freeing instances, allowing a local user able to access the AF_ALG-based AEAD interface (CONFIG_CRYPTO_USER_API_AEAD) and pcrypt (CONFIG_CRYPTO_PCRYPT) to cause a denial of service (kfree of an incorrect pointer) or possibly have unspecified other impact by executing a crafted sequence of system calls.

INFO

Published Date :

Jan. 24, 2018, 10:29 a.m.

Last Modified :

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

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2017-18075 has a 1 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-2017-18075 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
1 Canonical ubuntu_linux
References to Advisories, Solutions, and Tools

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).

Samsung security patch description

Updated: 6 years, 1 month ago
0 stars 0 fork 0 watcher
Born at : Oct. 14, 2018, 12:38 p.m. This repo has been linked 398 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-2017-18075 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-18075 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
  • Modified Analysis by [email protected]

    Feb. 07, 2023

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:2948 No Types Assigned https://access.redhat.com/errata/RHSA-2018:2948 Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3619-1/ No Types Assigned https://usn.ubuntu.com/3619-1/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3619-2/ No Types Assigned https://usn.ubuntu.com/3619-2/ Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.14.13 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.2 up to (excluding) 4.4.111 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.9.76 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.13
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-399 CWE-763
  • CVE Modified by [email protected]

    Oct. 31, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:2948 [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 07, 2018

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3619-2/ [No Types Assigned]
  • CVE Modified by [email protected]

    Apr. 06, 2018

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3619-1/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Feb. 09, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/torvalds/linux/commit/d76c68109f37cb85b243a1cf0f40313afd2bae68 No Types Assigned https://github.com/torvalds/linux/commit/d76c68109f37cb85b243a1cf0f40313afd2bae68 Patch
    Changed Reference Type https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.13 No Types Assigned https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.13 Issue Tracking, Release Notes, Vendor Advisory
    Changed Reference Type http://www.securityfocus.com/bid/102813 No Types Assigned http://www.securityfocus.com/bid/102813 Third Party Advisory, VDB Entry
    Changed Reference Type http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d76c68109f37cb85b243a1cf0f40313afd2bae68 No Types Assigned http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d76c68109f37cb85b243a1cf0f40313afd2bae68 Issue Tracking, Patch, Third Party Advisory
    Added CWE CWE-399
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.14.13
  • CVE Modified by [email protected]

    Jan. 27, 2018

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/102813 [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-2017-18075 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-2017-18075 weaknesses.

Exploit Prediction

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

0.04 }} 0.00%

score

0.05635

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability