VDB-111295 · CVE-2017-1000494 · USN-3562-1

MiniUPnPd up to 1.x upnpreplyparse.c NameValueParserEndElt Variable memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.2	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in MiniUPnPd up to 1.x. This affects the function NameValueParserEndElt of the file upnpreplyparse.c. This manipulation as part of Variable causes memory corruption. This vulnerability is registered as CVE-2017-1000494. The attack needs to be launched locally. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in MiniUPnPd up to 1.x. Affected by this vulnerability is the function NameValueParserEndElt of the file upnpreplyparse.c. The manipulation as part of a Variable leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Uninitialized stack variable vulnerability in NameValueParserEndElt (upnpreplyparse.c) in miniupnpd < 2.0 allows an attacker to cause Denial of Service (Segmentation fault and Memory Corruption) or possibly have unspecified other impact

The bug was discovered 12/10/2017. The weakness was published 01/03/2018 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2017-1000494 since 01/03/2018. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 24 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 106678 (Ubuntu 14.04 LTS / 16.04 LTS / 17.10 : miniupnpc vulnerabilities (USN-3562-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176953 (Debian Security Update for miniupnpd (DLA 1811-1)).

Upgrading to version 2.0 eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (106678). Similar entries are available at VDB-135095, VDB-135096, VDB-135097 and VDB-135098. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

MiniUPnPd

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.3
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 106678
Nessus Name: Ubuntu 14.04 LTS / 16.04 LTS / 17.10 : miniupnpc vulnerabilities (USN-3562-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703787
OpenVAS Name: MiniUPnP DoS Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: MiniUPnPd 2.0
Patch: github.com

Timelineinfo

12/10/2017 🔍
01/03/2018 +24 days 🔍
01/03/2018 +0 days 🔍
01/03/2018 +0 days 🔍
01/04/2018 +1 days 🔍
02/07/2018 +34 days 🔍
02/08/2018 +1 days 🔍
01/20/2023 +1807 days 🔍