CVE-2023-4535
MEDIUM severity · CVSS 4.5 · Out-of-bounds read
4.5CVSS MEDIUM
Summary
An out-of-bounds read vulnerability was found in OpenSC packages within the MyEID driver when handling symmetric key encryption. Exploiting this flaw requires an attacker to have physical access to the computer and a specially crafted USB device or smart card. This flaw allows the attacker to manipulate APDU responses and potentially gain unauthorized access to sensitive data, compromising the system's security.
Impact & exploitability
Attack vectorPhysical
Attack complexityHigh
Privileges requiredNone
User interactionRequired
Confidentiality impactLow
Integrity impactLow
Availability impactLow
Exploit probability (EPSS)0%
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://github.com/OpenSC/OpenSC/commit/f1993dc4e0b33050b8f72a3558ee88b24c4063b2 ↗
Additional information
- NVD record
- https://github.com/OpenSC/OpenSC/commit/f1993dc4e0b33050b8f72a3558ee88b24c4063b2Patch
- https://github.com/OpenSC/OpenSC/issues/2792#issuecomment-1674806651Patch
- https://github.com/OpenSC/OpenSC/wiki/OpenSC-security-advisoriesAdvisory
- https://access.redhat.com/errata/RHSA-2023:7879Advisory
- https://access.redhat.com/security/cve/CVE-2023-4535Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2240914
- https://github.com/OpenSC/OpenSC/releases/tag/0.24.0-rc1