Delta Electronics WPLSoft/ISPSoft/PMSoft out-of-bounds write

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.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Delta Electronics WPLSoft, ISPSoft and PMSoft. Impacted is an unknown function. Performing a manipulation results in out-of-bounds write. This vulnerability is cataloged as CVE-2016-5802. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Delta Electronics WPLSoft, ISPSoft and PMSoft (the affected version is unknown). This affects an unknown code. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Delta Electronics WPLSoft, Versions prior to V2.42.11, ISPSoft, Versions prior to 3.02.11, and PMSoft, Versions prior to 2.10.10. Multiple instances of out-of-bounds write conditions may allow malicious files to be read and executed by the affected software.

The bug was discovered 12/13/2016. The weakness was shared 02/13/2017 by Ariele Caltabiano (Website). The advisory is shared at securityfocus.com. This vulnerability is uniquely identified as CVE-2016-5802 since 06/23/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 62 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370933 (Delta Electronics WPLSoft and PMSoft Vulnerabilities).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 94887†). The entry VDB-96850 is related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Delta Electronics

Name

• ISPSoft
• PMSoft
• WPLSoft

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/23/2016 🔍
12/13/2016 +173 days 🔍
12/14/2016 +1 days 🔍
02/13/2017 +61 days 🔍
02/13/2017 +0 days 🔍
02/14/2017 +1 days 🔍
09/01/2020 +1295 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Ariele Caltabiano
Status: Not defined

CVE: CVE-2016-5802 (🔍)
GCVE (CVE): GCVE-0-2016-5802
GCVE (VulDB): GCVE-100-96849
SecurityFocus: 94887 - Multiple Delta Electronics Products Local Buffer Overflow and Arbitrary File Access Vulnerabilities
OSVDB: - CVE-2016-5802 - Delta Electronics - Multiple Products - Out-of-Bounds Write Issue

See also: 🔍

Entryinfo

Created: 02/14/2017 09:06
Updated: 09/01/2020 20:09
Changes: 02/14/2017 09:06 (60), 09/01/2020 20:09 (6)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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