Description

WebDAV implementation in Yaws web server versions 1.81 to 2.0.7 is vulnerable to XXE injection.

INFO

Published Date :

Sept. 9, 2020, 7:15 p.m.

Last Modified :

Dec. 6, 2022, 9:18 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2020-24379 has a 2 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-2020-24379 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 Canonical ubuntu_linux
1 Debian debian_linux
1 Yaws yaws
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-2020-24379.

URL Resource
https://github.com/erlyaws/yaws/commits/master Patch Third Party Advisory
https://github.com/vulnbe/poc-yaws-dav-xxe Exploit Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00022.html Mailing List Third Party Advisory
https://packetstormsecurity.com/files/159106/Yaws-2.0.7-XML-Injection-Command-Injection.html Exploit Third Party Advisory VDB Entry
https://usn.ubuntu.com/4569-1/ Third Party Advisory
https://vuln.be/post/yaws-xxe-and-shell-injections/ Broken Link Third Party Advisory
https://www.debian.org/security/2020/dsa-4773 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).

Yaws web server XML external entity injection POC

cve-2020-24379

Dockerfile

Updated: 4 years, 2 months ago
0 stars 1 fork 1 watcher
Born at : Aug. 6, 2020, 8:58 a.m. This repo has been linked 1 different CVEs too.

CVE Data Analysis, CVE Monitor, CVE EXP Prediction Based on Deep Learning. 1999-2020年存量CVE数据分析、监控CVE增量更新、基于深度学习的CVE EXP预测和自动化推送

Python

Updated: 2 months, 2 weeks ago
176 stars 24 fork 24 watcher
Born at : June 15, 2020, 2:56 p.m. This repo has been linked 692 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-2020-24379 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-24379 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]

    Dec. 06, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/09/msg00022.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/09/msg00022.html Mailing List, Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4569-1/ No Types Assigned https://usn.ubuntu.com/4569-1/ Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2020/dsa-4773 No Types Assigned https://www.debian.org/security/2020/dsa-4773 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 17, 2020

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2020/dsa-4773 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 14, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4569-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 26, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/09/msg00022.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Sep. 16, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/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://github.com/erlyaws/yaws/commits/master No Types Assigned https://github.com/erlyaws/yaws/commits/master Patch, Third Party Advisory
    Changed Reference Type https://github.com/vulnbe/poc-yaws-dav-xxe No Types Assigned https://github.com/vulnbe/poc-yaws-dav-xxe Exploit, Third Party Advisory
    Changed Reference Type https://packetstormsecurity.com/files/159106/Yaws-2.0.7-XML-Injection-Command-Injection.html No Types Assigned https://packetstormsecurity.com/files/159106/Yaws-2.0.7-XML-Injection-Command-Injection.html Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type https://vuln.be/post/yaws-xxe-and-shell-injections/ No Types Assigned https://vuln.be/post/yaws-xxe-and-shell-injections/ Broken Link, Third Party Advisory
    Added CWE NIST CWE-611
    Added CPE Configuration OR *cpe:2.3:a:yaws:yaws:*:*:*:*:*:*:*:* versions from (including) 1.81 up to (including) 2.0.7
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-2020-24379 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-2020-24379 weaknesses.

Exploit Prediction

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

2.44 }} 0.30%

score

0.90197

percentile

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