7.8
HIGH
CVE-2017-9527
MRuby Garbage Collector Use-After-Free/Heap-Based Denial of Service
Description

The mark_context_stack function in gc.c in mruby through 1.2.0 allows attackers to cause a denial of service (heap-based use-after-free and application crash) or possibly have unspecified other impact via a crafted .rb file.

INFO

Published Date :

June 11, 2017, 5:29 p.m.

Last Modified :

May 12, 2022, 8:08 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2017-9527 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 Debian debian_linux
1 Mruby mruby
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-2017-9527.

URL Resource
https://github.com/mruby/mruby/commit/5c114c91d4ff31859fcd84cf8bf349b737b90d99 Issue Tracking Patch Third Party Advisory
https://github.com/mruby/mruby/issues/3486 Exploit Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html Mailing List 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).

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

The following list is the news that have been mention CVE-2017-9527 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-9527 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]

    May. 12, 2022

    Action Type Old Value New Value
    Changed Reference Type https://github.com/mruby/mruby/issues/3486 Issue Tracking, Patch, Third Party Advisory https://github.com/mruby/mruby/issues/3486 Exploit, Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html No Types Assigned https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 06, 2022

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html [No Types Assigned]
  • Reanalysis by [email protected]

    Mar. 03, 2020

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed CPE Configuration OR *cpe:2.3:a:mruby_project:mruby:*:*:*:*:*:*:*:* versions up to (including) 1.2.0 OR *cpe:2.3:a:mruby:mruby:*:*:*:*:*:*:*:* versions up to (including) 1.2.0
  • Initial Analysis by [email protected]

    Jun. 22, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/mruby/mruby/commit/5c114c91d4ff31859fcd84cf8bf349b737b90d99 No Types Assigned https://github.com/mruby/mruby/commit/5c114c91d4ff31859fcd84cf8bf349b737b90d99 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://github.com/mruby/mruby/issues/3486 No Types Assigned https://github.com/mruby/mruby/issues/3486 Issue Tracking, Patch, Third Party Advisory
    Added CWE CWE-416
    Added CPE Configuration OR *cpe:2.3:a:mruby_project:mruby:1.2.0:*:*:*:*:*:*:* (and previous)
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-2017-9527 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-2017-9527 weaknesses.

Exploit Prediction

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

0.17 }} 0.00%

score

0.51808

percentile

CVSS31 - Vulnerability Scoring System
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