OpenSC up to 0.19.x/0.20.0-rc3 libopensc/pkcs15-prkey.c sc_pkcs15_decode_prkdf_entry operation after expiration

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in OpenSC up to 0.19.x/0.20.0-rc3. Affected is the function sc_pkcs15_decode_prkdf_entry of the file libopensc/pkcs15-prkey.c. This manipulation causes operation after expiration. This vulnerability appears as CVE-2019-19480. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in OpenSC up to 0.19.x/0.20.0-rc3. It has been declared as critical. Affected by this vulnerability is the function sc_pkcs15_decode_prkdf_entry of the file libopensc/pkcs15-prkey.c. The manipulation with an unknown input leads to a operation after expiration vulnerability. The CWE definition for the vulnerability is CWE-672. The product uses, accesses, or otherwise operates on a resource after that resource has been expired, released, or revoked. As an impact it is known to affect availability. The summary by CVE is:

An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/pkcs15-prkey.c has an incorrect free operation in sc_pkcs15_decode_prkdf_entry.

The weakness was presented 12/01/2019. This vulnerability is known as CVE-2019-19480. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

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

See VDB-146564 and VDB-146562 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Operation after expiration
CWE: CWE-672
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

12/01/2019 🔍
12/01/2019 +0 days 🔍
12/04/2019 +3 days 🔍
03/05/2024 +1553 days 🔍

Sourcesinfo

Product: github.com

Advisory: 6ce6152284c47ba9b1d4fe8ff9d2e6a3f5ee02c7
Status: Not defined

CVE: CVE-2019-19480 (🔍)
GCVE (CVE): GCVE-0-2019-19480
GCVE (VulDB): GCVE-100-146563
See also: 🔍

Entryinfo

Created: 12/04/2019 07:58
Updated: 03/05/2024 14:17
Changes: 12/04/2019 07:58 (36), 12/04/2019 08:03 (16), 03/05/2024 14:15 (6), 03/05/2024 14:17 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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