CVE-2018-20651
5.5
MEDIUM
CVSS 3.1
EPSS 0.76%
描述
A NULL pointer dereference was discovered in elf_link_add_object_symbols in elflink.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.31.1. This occurs for a crafted ET_DYN with no program headers. A specially crafted ELF file allows remote attackers to cause a denial of service, as demonstrated by ld.
如何修補 CVE-2018-20651
要修補 CVE-2018-20651,請將受影響套件升級到下列已修補版本。
- Debian/binutils—升級至 2.32.51.20190707-1 或更新版本
CVE-2018-20651 正在被利用嗎?
低 — EPSS 為 0.8%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 2.32.51.20190707-1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |