9.8
CRITICAL
CVE-2019-19905
NetHack suid Buffer Overflow Vulnerability
Description

NetHack 3.6.x before 3.6.4 is prone to a buffer overflow vulnerability when reading very long lines from configuration files. This affects systems that have NetHack installed suid/sgid, and shared systems that allow users to upload their own configuration files.

INFO

Published Date :

Dec. 19, 2019, 6:15 p.m.

Last Modified :

Dec. 27, 2019, 6 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2019-19905 has a 4 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-2019-19905 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 Nethack nethack
: Total Affected Vendor : 1 | Products : 1
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-2019-19905.

URL Resource
https://bugs.debian.org/947005 Issue Tracking Patch Third Party Advisory
https://github.com/NetHack/NetHack/commit/f001de79542b8c38b1f8e6d7eaefbbd28ab94b47 Patch
https://github.com/NetHack/NetHack/commit/f4a840a48f4bcf11757b3d859e9d53cc9d5ef226 Patch
https://github.com/NetHack/NetHack/security/advisories/GHSA-3cm7-rgh5-9pq5 Third Party Advisory
https://nethack.org/security/ Vendor 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
developer3000S/PoC-in-GitHub

None

Updated: 7 months ago
33 stars 3 fork 3 watcher
Born at : March 12, 2021, 12:22 p.m. This repo has been linked 1063 different CVEs too.
Profile Photo
hectorgie/PoC-in-GitHub

None

Updated: 1 year, 1 month ago
17 stars 10 fork 10 watcher
Born at : Jan. 2, 2021, 10:19 p.m. This repo has been linked 1050 different CVEs too.
Profile Photo
0xT11/CVE-POC

None

Updated: 1 month, 2 weeks 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
dpmdpm2/CVE-2019-19905

None

C

Updated: 4 years, 6 months ago
0 stars 0 fork 0 watcher
Born at : March 7, 2020, 8:23 p.m. This repo has been linked 1 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-2019-19905 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-19905 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
  • Initial Analysis by [email protected]

    Dec. 27, 2019

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://bugs.debian.org/947005 No Types Assigned https://bugs.debian.org/947005 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://github.com/NetHack/NetHack/commit/f001de79542b8c38b1f8e6d7eaefbbd28ab94b47 No Types Assigned https://github.com/NetHack/NetHack/commit/f001de79542b8c38b1f8e6d7eaefbbd28ab94b47 Patch
    Changed Reference Type https://github.com/NetHack/NetHack/commit/f4a840a48f4bcf11757b3d859e9d53cc9d5ef226 No Types Assigned https://github.com/NetHack/NetHack/commit/f4a840a48f4bcf11757b3d859e9d53cc9d5ef226 Patch
    Changed Reference Type https://github.com/NetHack/NetHack/security/advisories/GHSA-3cm7-rgh5-9pq5 No Types Assigned https://github.com/NetHack/NetHack/security/advisories/GHSA-3cm7-rgh5-9pq5 Third Party Advisory
    Changed Reference Type https://nethack.org/security/ No Types Assigned https://nethack.org/security/ Vendor Advisory
    Added CWE NIST CWE-120
    Added CPE Configuration OR *cpe:2.3:a:nethack:nethack:*:*:*:*:*:*:*:* versions from (including) 3.6.0 up to (excluding) 3.6.4
  • CVE Modified by [email protected]

    Dec. 24, 2019

    Action Type Old Value New Value
    Changed Description NetHack before 3.6.4 is prone to a buffer overflow vulnerability when reading very long lines from configuration files. This affects systems that have NetHack installed suid/sgid, and shared systems that allow users to upload their own configuration files. NetHack 3.6.x before 3.6.4 is prone to a buffer overflow vulnerability when reading very long lines from configuration files. This affects systems that have NetHack installed suid/sgid, and shared systems that allow users to upload their own configuration files.
  • CVE Modified by [email protected]

    Dec. 23, 2019

    Action Type Old Value New Value
    Added Reference https://nethack.org/security/ [No Types Assigned]
    Added Reference https://github.com/NetHack/NetHack/security/advisories/GHSA-3cm7-rgh5-9pq5 [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-2019-19905 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-2019-19905 weaknesses.

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-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File 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-67: String Format Overflow in syslog() String Format Overflow in syslog() CAPEC-92: Forced Integer Overflow Forced Integer Overflow CAPEC-100: Overflow Buffers Overflow Buffers
Exploit Prediction

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

0.38 }} 0.06%

score

0.69911

percentile

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