CVE-2023-2977

Katalog CVE

CVSS 7.1 · High EPSS 0,29%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada opensc project opensc, redhat enterprise linux. Skor CVSS 3.1 7.1 (High) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

1 Juni 2023

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

7.1 (High), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-125: Out-of-bounds Read

EPSS (30 hari)

0,29% peluang dieksploitasi; lebih tinggi dari 20,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/OpenSC/OpenSC/issues/2785 issue tracking · patch
• https://github.com/OpenSC/OpenSC/pull/2787 patch
• https://access.redhat.com/security/cve/CVE-2023-2977 advisory pihak ketiga
• https://bugzilla.redhat.com/show_bug.cgi?id=2211088 issue tracking · advisory pihak ketiga
• https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FJD4Q4AJSGE5U...
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LAR54OV6EHA56...
• https://lists.debian.org/debian-lts-announce/2024/12/msg00026.html