Design Science MathType 6.9c memmove out-of-bounds write

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 was found in Design Science MathType 6.9c. It has been rated as critical. This impacts the function memmove. Performing a manipulation results in out-of-bounds write. This vulnerability is known as CVE-2018-6639. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Design Science MathType 6.9c. This affects the function memmove. 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 out-of-bounds write (Remote Code Execution) issue was discovered in Design Science MathType 6.9c. A size used by memmove is read from the input file. This is fixed in 6.9d.

The bug was discovered 02/05/2018. The weakness was published 02/28/2018 (Website). The advisory is shared at dessci.com. This vulnerability is uniquely identified as CVE-2018-6639 since 02/05/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is 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.

Similar entries are available at VDB-113924, VDB-113926 and VDB-113927. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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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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: 🔍

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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-2018-6639 (🔍)
GCVE (CVE): GCVE-0-2018-6639
GCVE (VulDB): GCVE-100-113925
See also: 🔍

Entryinfo

Created: 02/28/2018 16:30
Updated: 01/09/2020 11:36
Changes: 02/28/2018 16:30 (59), 01/09/2020 11:36 (1)
Complete: 🔍
Cache ID: 216::103

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