libEMF 1.0.12 libemf.cpp ScaleViewPortExtEx EMF File integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in libEMF 1.0.12. It has been rated as critical. This impacts the function ScaleViewPortExtEx of the file libemf.cpp. The manipulation as part of EMF File leads to integer overflow. This vulnerability is uniquely identified as CVE-2020-13999. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in libEMF 1.0.12. This issue affects the function ScaleViewPortExtEx of the file libemf.cpp. The manipulation as part of a EMF File leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

ScaleViewPortExtEx in libemf.cpp in libEMF (aka ECMA-234 Metafile Library) 1.0.12 allows an integer overflow and denial of service via a crafted EMF file.

The weakness was disclosed 06/15/2020. The identification of this vulnerability is CVE-2020-13999 since 06/10/2020. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

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

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

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
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: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/10/2020 🔍
06/15/2020 +5 days 🔍
06/16/2020 +1 days 🔍
06/16/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-13999 (🔍)
GCVE (CVE): GCVE-0-2020-13999
GCVE (VulDB): GCVE-100-156737

Entryinfo

Created: 06/16/2020 08:41
Updated: 06/16/2020 08:46
Changes: 06/16/2020 08:41 (36), 06/16/2020 08:46 (17)
Complete: 🔍
Cache ID: 216::103

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

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