CVE-2020-23679

Buffer overflow vulnerability in Renleilei1992 Linux_Network_Project 1.0, allows attackers to execute arbitrary code, via the password field

published November 3, 2021

CVSS
โ€”
EPSS
2%
Percentile
79.2
In the wild
Unconfirmed
What it is

โš ๏ธ A seemingly innocent password field can serve as a gateway for attackers! A buffer overflow vulnerability in Renleilei1992's Linux_Network_Project 1.0 allows for arbitrary code execution, making it a ticking time bomb. ๐Ÿ”ฅ Think of this vulnerability like an overflowing sink โ€” when it gets too full, water spills everywhere, causing chaos. Similarly, this buffer overflow allows an attacker to pour in excess data, potentially causing the system to execute their malicious code instead of the intended program. If exploited, an attacker could take control of the system and run arbitrary commands, leading to unauthorized access or manipulation of sensitive data. This could be devastating for any organization relying on this software, as it puts the entire system at risk.

Put simply

Think of this vulnerability like an overflowing sink โ€” when it gets too full, water spills everywhere, causing chaos. Similarly, this buffer overflow allows an attacker to pour in excess data, potentially causing the system to execute their malicious code instead of the intended program. This vulnerability stems from improper handling of input in the password field, leading to a buffer overflow. When the input exceeds the allocated buffer size, it can overwrite memory and allow attackers to execute their own code.

What to do

If exploited, an attacker could take control of the system and run arbitrary commands, leading to unauthorized access or manipulation of sensitive data. This could be devastating for any organization relying on this software, as it puts the entire system at risk. To mitigate this issue, immediately update to the latest version of the Renleilei1992 Linux_Network_Project that addresses this vulnerability. Additionally, conduct an audit of your applications to ensure proper input validation is implemented everywhere. Don't forget to test your systems after making changes! You've got this! With these steps, you can secure your system against this vulnerability and keep your data safe. ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01872 ยท 79.2th percentile
Published
2021-11-03T16:10Z
EPSS history
Timeline
  • 03 NOV 16:10Z
    Buffer overflow vulnerability in Renleilei1992 Linux_Network_Project 1.0, allows attackers to execute arbitrary code, via the password field
    cvelistv5