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vulnrichmentRedhatVULNRICHMENT:CVE-2024-8443
HistorySep 10, 2024 - 1:16 p.m.

CVE-2024-8443 Libopensc: heap buffer overflow in openpgp driver when generating key

2024-09-1013:16:51
CWE-122
redhat
github.com
2
cve-2024-8443
libopensc
usb device
smart card
apdu
pkcs15-init
card enrollment
arbitrary code execution

CVSS3

3.4

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

AI Score

8.4

Confidence

Low

EPSS

0

Percentile

9.6%

SSVC

Exploitation

none

Automatable

no

Technical Impact

total

A heap-based buffer overflow vulnerability was found in the libopensc OpenPGP driver. A crafted USB device or smart card with malicious responses to the APDUs during the card enrollment process using the pkcs15-init tool may lead to out-of-bound rights, possibly resulting in arbitrary code execution.

CVSS3

3.4

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

AI Score

8.4

Confidence

Low

EPSS

0

Percentile

9.6%

SSVC

Exploitation

none

Automatable

no

Technical Impact

total

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