7.1
High
CVE-2023-2977 A vulnerbility was found in OpenSC
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| opensc | Versions not published |
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The 8 CVEs of opensc →
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5.1
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2.3
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CVE-2021-42778
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CVE-2021-42779
A heap use after free issue was found in Opensc before version 0.22.0 in sc_file_valid
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