CVE-2023-2977 - CVE House

Back to Database

Status published Unknown CVE-2023-2977

A vulnerbility was found in OpenSC. This security flaw cause...

0 CVSS

Vulnerability Description

A vulnerbility was found in OpenSC. This security flaw cause a buffer overrun vulnerability in pkcs15 cardos_have_verifyrc_package. The attacker can supply a smart card package with malformed ASN1 context. The cardos_have_verifyrc_package function scans the ASN1 buffer for 2 tags, where remaining length is wrongly caculated due to moved starting pointer. This leads to possible heap-based buffer oob read. In cases where ASAN is enabled while compiling this causes a crash. Further info leak or more damage is possible.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-2977

Check My Exposure

Credits & Attribution

No credits recorded in the NVD database.

References

More from n/a

View All →

Versions of the package jsondiffpatch before 0.7.2 are vulnerable to...

RemoteClinic profile.php sql injection

Langfuse Webhook promptRouter.ts promptChangeEventSourcing server-side request forgery

RemoteClinic edit-my-profile.php unrestricted upload

RemoteClinic edit-patient.php information disclosure

Affected Vendor

n/a

View all reports →

Affected Software

OpenSC

Vulnerable Versions:

opensc-0.23.0

Timeline

Official Publish: June 1st, 2023

Last Modified: November 3rd, 2025

Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1203 Exploitation for Client Execution

T1055 Process Injection

Defense Evasion

T1105 Ingress Tool Transfer

Command and Control