CVE-2019-25048 Information

Description

LibreSSL 2.9.1 through 3.2.1 has a heap-based buffer over-read in do_print_ex (called from asn1_item_print_ctx and ASN1_item_print).

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Reference

https://github.com/libressl-portable/portable/commit/17c88164016df821df2dff4b2b1291291ec4f28a https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13914 https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libressl/OSV-2020-1923.yaml

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.1