Security readout for executives and security teams
Plain-English summary
This is a low-severity OpenSC issue where a malicious smart card or USB smart-card device could trigger unsafe handling of card responses. The likely business impact is limited, but systems that rely on smart cards for authentication or signing should track vendor guidance and updates.
Executive priority
Treat this as a low-priority patch-management item unless smart cards are central to privileged access, identity, or signing workflows. It is not currently supported as actively exploited in the supplied evidence.
Technical view
CVE-2024-45616 is a CWE-457 uninitialized-value flaw in libopensc/OpenSC response APDU handling. Insufficient control of the response APDU buffer and length may let a crafted card response cause limited confidentiality, integrity, or availability impact. CVSS is 3.9 with physical attack vector and high attack complexity.
Likely exposure
Exposure is most relevant on endpoints or servers using OpenSC components with physical smart cards, USB tokens, PKCS#11, minidriver, or CTK workflows. The bundle lists Red Hat Enterprise Linux 7, 8, 9, and 10 opensc packages as affected.
Exploitation context
The CVE is not listed as KEV, and the supplied sources do not show active exploitation. The attack requires a crafted USB device or smart card that presents specially crafted APDU responses, making broad remote exploitation unlikely from the available evidence.
Researcher notes
Focus review on APDU response buffer and length validation paths in OpenSC/libopensc. The source bundle does not provide exploit details, exact fixed versions, or proof of active exploitation, so vendor advisories are required for remediation confirmation.
Mitigation direction
- Check Red Hat and Debian guidance for fixed opensc packages or advisories.
- Apply vendor-provided OpenSC/opensc updates when available for affected platforms.
- Restrict use of untrusted smart cards and USB smart-card devices.
- Prioritize systems where smart cards protect privileged access or signing operations.
Validation and detection
- Inventory systems with OpenSC, libopensc, PKCS#11, minidriver, or CTK usage.
- Identify affected Red Hat Enterprise Linux 7, 8, 9, and 10 opensc deployments.
- Check package versions against vendor advisories before marking systems remediated.
- Review smart-card workflows for acceptance of untrusted physical tokens.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-457: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2024-45616 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Low
- CVSS
- 3.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L0.53.4redhatVulnerability scoring details
Base CVSS 3.1 score
3.9LowVector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- Source timelineredhat
Made public.
- Source timelineredhat
Reported to Red Hat.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://access.redhat.com/security/cve/CVE-2024-45616CVE reference, redhat · vdb-entry, x_refsource_REDHAT
- RHBZ#2309290CVE reference, redhat · issue-tracking, x_refsource_REDHAT
- https://lists.debian.org/debian-lts-announce/2024/12/msg00026.htmlCVE reference, CVE
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Use of Uninitialized Variable
Use of Uninitialized Variable represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.