OpenSC up to 0.19.x/0.20.0-rc3 CAC Certificate libopensc/card-cac1.c memory corruption

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CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

A vulnerability was found in OpenSC up to 0.19.x/0.20.0-rc3. It has been rated as critical. Affected by this issue is an unknown code block of the file libopensc/card-cac1.c of the component CAC Certificate Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/card-cac1.c mishandles buffer limits for CAC certificates.

The weakness was shared 12/01/2019. This vulnerability is handled as CVE-2019-19481 since 12/01/2019. The attack needs to be approached locally. No form of authentication is required for exploitation. There are known technical details, 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.

The entries 146563 and 146562 are related to this item.

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VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 7.8
NVD Vector: 🔍

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AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

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Exploitinginfoedit

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

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Timelineinfoedit

12/01/2019 🔍
12/01/2019 +0 days 🔍
12/04/2019 +3 days 🔍
12/04/2019 +0 days 🔍

Sourcesinfoedit

Status: Not defined

CVE: CVE-2019-19481 (🔍)
See also: 🔍

Entryinfoedit

Created: 12/04/2019 07:59 AM
Changes: (17) vulnerability_cwe vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a source_cve_assigned source_cve_nvd_summary
Complete: 🔍

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