CVE-2024-8443: Heap-based Buffer Overflow
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.
AI Analysis
Technical Summary
A heap-based buffer overflow vulnerability exists in the libopensc OpenPGP driver (version 0.26.0). The flaw is triggered by maliciously crafted responses to APDUs during the card enrollment process with the pkcs15-init tool. This can cause out-of-bounds memory access, which may allow an attacker to execute arbitrary code. The vulnerability requires physical access to a USB device or smart card and user interaction. The CVSS 3.1 vector indicates low confidentiality and integrity impact, no availability impact, high attack complexity, no privileges required, and user interaction needed.
Potential Impact
The vulnerability could allow an attacker with physical access to a malicious USB device or smart card to cause out-of-bounds memory access in the libopensc OpenPGP driver. This may lead to arbitrary code execution under certain conditions. However, the low CVSS score and attack complexity suggest limited risk in typical environments.
Mitigation Recommendations
No explicit patch or remediation is referenced in the vendor advisory. Patch status is not yet confirmed — check the Red Hat advisory at https://access.redhat.com/security/cve/CVE-2024-8443 for current remediation guidance. Until a fix is available, avoid using untrusted USB devices or smart cards with the pkcs15-init tool.
CVE-2024-8443: Heap-based Buffer Overflow
Description
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.
CVSS v3.1
Score 2.9low
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
A heap-based buffer overflow vulnerability exists in the libopensc OpenPGP driver (version 0.26.0). The flaw is triggered by maliciously crafted responses to APDUs during the card enrollment process with the pkcs15-init tool. This can cause out-of-bounds memory access, which may allow an attacker to execute arbitrary code. The vulnerability requires physical access to a USB device or smart card and user interaction. The CVSS 3.1 vector indicates low confidentiality and integrity impact, no availability impact, high attack complexity, no privileges required, and user interaction needed.
Potential Impact
The vulnerability could allow an attacker with physical access to a malicious USB device or smart card to cause out-of-bounds memory access in the libopensc OpenPGP driver. This may lead to arbitrary code execution under certain conditions. However, the low CVSS score and attack complexity suggest limited risk in typical environments.
Mitigation Recommendations
No explicit patch or remediation is referenced in the vendor advisory. Patch status is not yet confirmed — check the Red Hat advisory at https://access.redhat.com/security/cve/CVE-2024-8443 for current remediation guidance. Until a fix is available, avoid using untrusted USB devices or smart cards with the pkcs15-init tool.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- redhat
- Date Reserved
- 2024-09-04T21:43:13.770Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://access.redhat.com/security/cve/CVE-2024-8443","vendor":"Red Hat"}]
Threat ID: 68e90ce7dd820f2ffe5dfcc8
Added to database: 10/10/2025, 13:40:55 UTC
Last enriched: 07/02/2026, 22:01:17 UTC
Last updated: 09/10/2026, 19:36:49 UTC
Views: 300
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