A vulnerability, which was classified as critical, was found in libopencad 0.2.0. Affected is the function ReadMCHAR in the library lib/dwg/io.cpp. The manipulation with an unknown input leads to a memory corruption vulnerability (Heap-based). CWE is classifying the issue as CWE-122. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A heap-based buffer over-read exists in libopencad 0.2.0 in the ReadMCHAR function in lib/dwg/io.cpp, resulting in an application crash.

The weakness was presented 10/18/2018. This vulnerability is traded as CVE-2018-18480 since 10/18/2018. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/19/2018).

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

See 125779 for similar entries.

CPE

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CVSSv3

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: ≈5.5
VulDB Temp Score: ≈5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2

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

Exploiting

Class: Memory corruption / Heap-based (CWE-122)
Local: Yes
Remote: No

Availability: No

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligence

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Actions: 🔍

Countermeasures

Recommended: no mitigation known
0-Day Time: 🔒

Timeline

10/18/2018 Advisory disclosed
10/18/2018 CVE assigned
10/19/2018 VulDB entry created
10/19/2018 VulDB last update

Sources

CVE: CVE-2018-18480 (🔒)
See also: 🔒

Entry

Created: 10/19/2018
Complete: 🔍

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