CVE-2021-34971

Katalog CVE

CVSS 7.8 · High EPSS 0,39%

Kerentanan Heap-based Buffer Overflow pada foxit pdf editor, foxit pdf reader. Skor CVSS 3.0 7.8 (High) menurut trendmicro.com.

Deskripsi (NVD)

Foxit PDF Reader JPG2000 File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of PDF files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14812.

Rincian

Terbit di NVD

7 Mei 2024

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.0

7.8 (High), sumber trendmicro.com
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-122: Heap-based Buffer Overflow

EPSS (30 hari)

0,39% peluang dieksploitasi; lebih tinggi dari 30,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.foxit.com/support/security-bulletins.html advisory vendor
• https://www.zerodayinitiative.com/advisories/ZDI-21-1202/ advisory pihak ketiga