Vulnerability Details : CVE-2023-4535
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.
Vulnerability category: Bypass
Products affected by CVE-2023-4535
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
- cpe:2.3:a:opensc_project:opensc:0.23.0:-:*:*:*:*:*:*
- cpe:2.3:a:opensc_project:opensc:0.23.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:opensc_project:opensc:0.23.0:rc2:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-4535
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 34 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-4535
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
3.8
|
LOW | CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L |
0.4
|
3.4
|
NIST | |
4.5
|
MEDIUM | CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L |
0.4
|
3.7
|
Red Hat, Inc. |
CWE ids for CVE-2023-4535
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2023-4535
-
https://github.com/OpenSC/OpenSC/commit/f1993dc4e0b33050b8f72a3558ee88b24c4063b2
myeid: fixed CID 380538 Out-of-bounds read (OVERRUN) · OpenSC/OpenSC@f1993dc · GitHubPatch
-
https://github.com/OpenSC/OpenSC/releases/tag/0.24.0-rc1
Release 0.24.0-rc1 · OpenSC/OpenSC · GitHubRelease Notes
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https://bugzilla.redhat.com/show_bug.cgi?id=2240914
2240914 – (CVE-2023-4535) CVE-2023-4535 OpenSC: out-of-bounds read in MyEID driver handling encryption using symmetric keysIssue Tracking
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https://access.redhat.com/errata/RHSA-2023:7879
RHSA-2023:7879 - Security Advisory - Red Hat 客户门户网站Third Party Advisory
-
https://access.redhat.com/security/cve/CVE-2023-4535
CVE-2023-4535- Red Hat Customer PortalThird Party Advisory
-
https://github.com/OpenSC/OpenSC/issues/2792#issuecomment-1674806651
New release 0.24.0 · Issue #2792 · OpenSC/OpenSC · GitHubIssue Tracking;Patch
-
https://github.com/OpenSC/OpenSC/wiki/OpenSC-security-advisories
OpenSC security advisories · OpenSC/OpenSC Wiki · GitHubVendor Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GLYEFIBBA37TK3UNMZN5NOJ7IWCIXLQP/
[SECURITY] Fedora 39 Update: opensc-0.24.0-1.fc39 - package-announce - Fedora Mailing-ListsMailing List
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3CPQOMCDWFRBMEFR5VK4N5MMXXU42ODE/
[SECURITY] Fedora 38 Update: opensc-0.24.0-1.fc38 - package-announce - Fedora Mailing-ListsMailing List
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