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7.5
HIGH CVSS 3.0
CVE-2016-6255
Portable UPnP SDK (aka libupnp) Unauthenticated File Write Vulnerability
Description

Portable UPnP SDK (aka libupnp) before 1.6.21 allows remote attackers to write to arbitrary files in the webroot via a POST request without a registered handler.

INFO

Published Date :

March 7, 2017, 4:59 p.m.

Last Modified :

April 20, 2025, 1:37 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2016-6255 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 Libupnp_project libupnp
: Total Affected Vendor : 2 | Products : 2
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 MEDIUM [email protected]
CVSS 3.0 HIGH [email protected]
Solution
The libupnp library has an unauthenticated file write vulnerability.
  • Update the libupnp packages.
  • If libupnp is used as a third-party library, contact the vendor of that application for a fix.
Public PoC/Exploit Available at Github

CVE-2016-6255 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

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-2016-6255.

URL Resource
http://www.debian.org/security/2016/dsa-3736 Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/18/13 Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/20/5 Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/92050 Third Party Advisory VDB Entry
https://github.com/mjg59/pupnp-code/commit/be0a01bdb83395d9f3a5ea09c1308a4f1a972cbd Issue Tracking Patch Third Party Advisory
https://security.gentoo.org/glsa/201701-52
https://sourceforge.net/p/pupnp/code/ci/master/tree/ChangeLog Release Notes Third Party Advisory
https://twitter.com/mjg59/status/755062278513319936 Third Party Advisory
https://www.exploit-db.com/exploits/40589/
https://www.tenable.com/security/research/tra-2017-10
http://www.debian.org/security/2016/dsa-3736 Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/18/13 Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/20/5 Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/92050 Third Party Advisory VDB Entry
https://github.com/mjg59/pupnp-code/commit/be0a01bdb83395d9f3a5ea09c1308a4f1a972cbd Issue Tracking Patch Third Party Advisory
https://security.gentoo.org/glsa/201701-52
https://sourceforge.net/p/pupnp/code/ci/master/tree/ChangeLog Release Notes Third Party Advisory
https://twitter.com/mjg59/status/755062278513319936 Third Party Advisory
https://www.exploit-db.com/exploits/40589/
https://www.tenable.com/security/research/tra-2017-10
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-6255 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-2016-6255 weaknesses.

CAPEC-19: Embedding Scripts within Scripts Embedding Scripts within Scripts CAPEC-441: Malicious Logic Insertion Malicious Logic Insertion CAPEC-478: Modification of Windows Service Configuration Modification of Windows Service Configuration CAPEC-479: Malicious Root Certificate Malicious Root Certificate CAPEC-502: Intent Spoof Intent Spoof CAPEC-503: WebView Exposure WebView Exposure CAPEC-536: Data Injected During Configuration Data Injected During Configuration CAPEC-546: Incomplete Data Deletion in a Multi-Tenant Environment Incomplete Data Deletion in a Multi-Tenant Environment CAPEC-550: Install New Service Install New Service CAPEC-551: Modify Existing Service Modify Existing Service CAPEC-552: Install Rootkit Install Rootkit CAPEC-556: Replace File Extension Handlers Replace File Extension Handlers CAPEC-558: Replace Trusted Executable Replace Trusted Executable CAPEC-562: Modify Shared File Modify Shared File CAPEC-563: Add Malicious File to Shared Webroot Add Malicious File to Shared Webroot CAPEC-564: Run Software at Logon Run Software at Logon CAPEC-578: Disable Security Software Disable Security Software

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
xuguowong/Mirai-MAL

None

Updated: 1 year, 11 months ago
0 stars 0 fork 0 watcher
Born at : Sept. 13, 2023, 9:20 a.m. This repo has been linked 7 different CVEs too.
Profile Photo
jacob-baines/veralite_upnp_exploit_poc

A proof of concept exploit against the Veralite

HTML

Updated: 4 months, 3 weeks ago
5 stars 1 fork 1 watcher
Born at : Oct. 12, 2016, 1:30 p.m. This repo has been linked 2 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-2016-6255 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2016-6255 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://www.debian.org/security/2016/dsa-3736
    Added Reference http://www.openwall.com/lists/oss-security/2016/07/18/13
    Added Reference http://www.openwall.com/lists/oss-security/2016/07/20/5
    Added Reference http://www.securityfocus.com/bid/92050
    Added Reference https://github.com/mjg59/pupnp-code/commit/be0a01bdb83395d9f3a5ea09c1308a4f1a972cbd
    Added Reference https://security.gentoo.org/glsa/201701-52
    Added Reference https://sourceforge.net/p/pupnp/code/ci/master/tree/ChangeLog
    Added Reference https://twitter.com/mjg59/status/755062278513319936
    Added Reference https://www.exploit-db.com/exploits/40589/
    Added Reference https://www.tenable.com/security/research/tra-2017-10
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Nov. 03, 2017

    Action Type Old Value New Value
    Added Reference https://www.tenable.com/security/research/tra-2017-10 [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 03, 2017

    Action Type Old Value New Value
    Added Reference https://www.exploit-db.com/exploits/40589/ [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 01, 2017

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201701-52 [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 08, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:P/A:N)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/07/18/13 No Types Assigned http://www.openwall.com/lists/oss-security/2016/07/18/13 Mailing List, Patch, Third Party Advisory
    Changed Reference Type https://twitter.com/mjg59/status/755062278513319936 No Types Assigned https://twitter.com/mjg59/status/755062278513319936 Third Party Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2016/07/20/5 No Types Assigned http://www.openwall.com/lists/oss-security/2016/07/20/5 Mailing List, Patch, Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/92050 No Types Assigned http://www.securityfocus.com/bid/92050 Third Party Advisory, VDB Entry
    Changed Reference Type https://sourceforge.net/p/pupnp/code/ci/master/tree/ChangeLog No Types Assigned https://sourceforge.net/p/pupnp/code/ci/master/tree/ChangeLog Release Notes, Third Party Advisory
    Changed Reference Type http://www.debian.org/security/2016/dsa-3736 No Types Assigned http://www.debian.org/security/2016/dsa-3736 Third Party Advisory
    Changed Reference Type https://github.com/mjg59/pupnp-code/commit/be0a01bdb83395d9f3a5ea09c1308a4f1a972cbd No Types Assigned https://github.com/mjg59/pupnp-code/commit/be0a01bdb83395d9f3a5ea09c1308a4f1a972cbd Issue Tracking, Patch, Third Party Advisory
    Added CWE CWE-284
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:libupnp_project:libupnp:1.6.20:*:*:*:*:*:*:* (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.
Vulnerability Scoring Details
Base CVSS Score: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 5
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.

56.73 }} 4.04%

score

0.97933

percentile