VDB-162147 · CVE-2020-8109 · GCVE-0-2020-8109

BitDefender Engine up to 7.84892 ace.xmd Parser 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.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in BitDefender Engine up to 7.84892. The impacted element is an unknown function of the component ace.xmd Parser. Performing a manipulation results in out-of-bounds write. This vulnerability is reported as CVE-2020-8109. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in BitDefender Engine up to 7.84892. This affects some unknown processing of the component ace.xmd Parser. 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 availability. The summary by CVE is:

A vulnerability has been discovered in the ace.xmd parser that results from a lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. This can result in denial-of-service. This issue affects: Bitdefender Engines version 7.84892 and prior versions.

The weakness was disclosed 10/01/2020 (Website). It is possible to read the advisory at bitdefender.com. This vulnerability is uniquely identified as CVE-2020-8109 since 01/28/2020. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

BitDefender Engine

Version

7.84892

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: No
Local: No
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/28/2020 🔍
10/01/2020 +247 days 🔍
10/01/2020 +0 days 🔍
11/15/2020 +45 days 🔍

Sourcesinfo

Advisory: bitdefender.com
Status: Not defined

CVE: CVE-2020-8109 (🔍)
GCVE (CVE): GCVE-0-2020-8109
GCVE (VulDB): GCVE-100-162147

Entryinfo

Created: 10/01/2020 17:53
Updated: 11/15/2020 11:27
Changes: 10/01/2020 17:53 (36), 10/01/2020 17:58 (11), 10/04/2020 19:33 (1), 11/14/2020 09:34 (2), 11/15/2020 11:27 (7)
Complete: 🔍
Cache ID: 216::103