Vulnerability Monitor

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CVE-2023-2977


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.


Published

2023-06-01T01:15:17.917

Last Modified

2025-01-09T18:15:25.850

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.1 (HIGH)

Weaknesses
  • Type: Secondary
    CWE-119
  • Type: Primary
    CWE-125

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application opensc_project opensc 0.23.0 Yes
Operating System redhat enterprise_linux 8.0 Yes
Operating System redhat enterprise_linux 9.0 Yes

References