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CVE-2023-2977

Status Candidate

Overview

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.

Related Files

Red Hat Security Advisory 2023-7160-01
Posted Nov 15, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-7160-01 - An update for opensc is now available for Red Hat Enterprise Linux 8.

tags | advisory
systems | linux, redhat
advisories | CVE-2023-2977
SHA-256 | 007ce5a8b4bd26dabe206c0ccb60bc1decd5a2333a8d19469eb0485ec9452992
Download | Favorite | View
Red Hat Security Advisory 2023-6587-01
Posted Nov 13, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-6587-01 - An update for opensc is now available for Red Hat Enterprise Linux 9.

tags | advisory
systems | linux, redhat
advisories | CVE-2023-2977
SHA-256 | b34d6b800d1a64feecf8cb7e9af84177b681603ce5672d460175afa92993cc2d
Download | Favorite | View
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