CVE-2022-34913

md2roff 1.7 has a stack-based buffer overflow via a Markdown file containing a large number of consecutive characters to be processed

published July 2, 2022

CVSS
—
EPSS
3%
Percentile
86.8
In the wild
Unconfirmed
What it is

🚨 A stack-based buffer overflow is lurking in md2roff 1.7, waiting for a Markdown file filled with too many characters to trigger chaos! ⚠️ Think of it like a crowded elevator—if too many people squeeze in without checking the weight limit, it could come crashing down. In this case, the elevator is your stack, and too much input can lead to a serious malfunction. If an attacker crafts a Markdown file stuffed with excessive characters, they could potentially crash the application or even execute arbitrary code. While the vendor suggests this tool isn't meant for untrusted input, leaving a backdoor open is a risk you don't want to overlook!

Put simply

Think of it like a crowded elevator—if too many people squeeze in without checking the weight limit, it could come crashing down. In this case, the elevator is your stack, and too much input can lead to a serious malfunction. This vulnerability arises from a stack-based buffer overflow in md2roff 1.7 when processing a Markdown file with an excessive number of consecutive characters, leading to potential exploits. It’s a classic case of overloading the stack beyond its limits!

What to do

If an attacker crafts a Markdown file stuffed with excessive characters, they could potentially crash the application or even execute arbitrary code. While the vendor suggests this tool isn't meant for untrusted input, leaving a backdoor open is a risk you don't want to overlook! To safeguard against this vulnerability, consider restricting the input to trusted Markdown files only. Also, review your usage of md2roff and check for updates or patches that might mitigate this issue. You've got this! Stay vigilant and follow these steps to keep your systems secure. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02896 · 86.8th percentile
Published
2022-07-02T19:28Z
EPSS history
Timeline
  • 02 JUL 19:28Z
    md2roff 1.7 has a stack-based buffer overflow via a Markdown file containing a large number of consecutive characters to be processed
    cvelistv5