CVE-2017-20229

CRITICAL

MAWK 1.3.3-17 Stack-Based Buffer Overflow

Title source: cna

Description

MAWK 1.3.3-17 and prior contains a stack-based buffer overflow vulnerability that allows attackers to execute arbitrary code by exploiting inadequate boundary checks on user-supplied input. Attackers can craft malicious input that overflows the stack buffer and execute a return-oriented programming chain to spawn a shell with application privileges.

Exploits (1)

exploitdb WORKING POC
by Juan Sacco · pythonlocallinux
https://www.exploit-db.com/exploits/42357

Scores

CVSS v3 9.8
EPSS 0.0007
EPSS Percentile 21.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (2)
invisible-island/mawk < 1.3.3-17
mawk/MAWK 1.3.3-17
Published Mar 28, 2026
Tracked Since Mar 29, 2026