CVE-2020-23877

pdf2xml v2.0 was discovered to contain a stack buffer overflow in the component getObjectStream

published November 10, 2021

CVSS
โ€”
EPSS
2%
Percentile
77.8
In the wild
Unconfirmed
What it is

โš ๏ธ A sneaky stack buffer overflow lurks in pdf2xml v2.0's getObjectStream! Just a tiny oversight could lead to some unexpected chaos. ๐Ÿ”ฅ Think of this vulnerability like a clogged pipe โ€” if too much pressure builds up, it could burst and flood the room! In this case, when the buffer gets overflowing, it might cause the application to crash or behave unpredictably, just like water spilling everywhere. If exploited, this buffer overflow could allow an attacker to manipulate the execution flow of the program, potentially leading to arbitrary code execution or a complete application crash. While the exploit hasn't been reported in the wild, the risk remains, making it a critical vulnerability to keep an eye on.

Put simply

Think of this vulnerability like a clogged pipe โ€” if too much pressure builds up, it could burst and flood the room! In this case, when the buffer gets overflowing, it might cause the application to crash or behave unpredictably, just like water spilling everywhere. The stack buffer overflow vulnerability in pdf2xml occurs within the getObjectStream component, allowing for the possibility of writing beyond the allocated buffer space, which can disrupt the program's execution.

What to do

If exploited, this buffer overflow could allow an attacker to manipulate the execution flow of the program, potentially leading to arbitrary code execution or a complete application crash. While the exploit hasn't been reported in the wild, the risk remains, making it a critical vulnerability to keep an eye on. Update pdf2xml to the latest version where this issue is addressed. Additionally, review your code to ensure that all input is validated and consider integrating protective measures such as stack cookies to safeguard against buffer overflows. You've got this! A simple update can safeguard your application from this lurking danger. ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01762 ยท 77.8th percentile
Published
2021-11-10T21:25Z
EPSS history
Timeline
  • 10 NOV 21:25Z
    pdf2xml v2.0 was discovered to contain a stack buffer overflow in the component getObjectStream
    cvelistv5