vulnerability
Ubuntu: (Multiple Advisories) (CVE-2023-2977): OpenSC vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:L/AC:L/Au:S/C:C/I:N/A:C) | Jun 1, 2023 | Mar 13, 2025 | Aug 18, 2025 |
Severity
6
CVSS
(AV:L/AC:L/Au:S/C:C/I:N/A:C)
Published
Jun 1, 2023
Added
Mar 13, 2025
Modified
Aug 18, 2025
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.
Solutions
ubuntu-pro-upgrade-openscubuntu-pro-upgrade-opensc-pkcs11
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