Design Science MathType 6.9c Invalid Parameter use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Design Science MathType 6.9c. Affected by this vulnerability is an unknown functionality. The manipulation as part of Invalid Parameter leads to use after free. This vulnerability is uniquely identified as CVE-2018-6641. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Design Science MathType 6.9c and classified as critical. This issue affects some unknown functionality. The manipulation as part of a Invalid Parameter leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An Arbitrary Free (Remote Code Execution) issue was discovered in Design Science MathType 6.9c. Crafted input can overwrite a structure, leading to a function call with an invalid parameter, and a subsequent free of important data such as a function pointer or list pointer. This is fixed in 6.9d.

The bug was discovered 02/05/2018. The weakness was disclosed 02/28/2018 (Website). It is possible to read the advisory at dessci.com. The identification of this vulnerability is CVE-2018-6641 since 02/05/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 23 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 6.9d eliminates this vulnerability.

The entries VDB-113924, VDB-113925 and VDB-113926 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MathType 6.9d

Timelineinfo

02/05/2018 🔍
02/05/2018 +0 days 🔍
02/28/2018 +23 days 🔍
02/28/2018 +0 days 🔍
02/28/2018 +0 days 🔍
01/09/2020 +680 days 🔍

Sourcesinfo

Advisory: dessci.com
Status: Not defined

CVE: CVE-2018-6641 (🔍)
GCVE (CVE): GCVE-0-2018-6641
GCVE (VulDB): GCVE-100-113927
See also: 🔍

Entryinfo

Created: 02/28/2018 16:31
Updated: 01/09/2020 11:48
Changes: 02/28/2018 16:31 (59), 01/09/2020 11:48 (1)
Complete: 🔍
Cache ID: 216::103

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