CVE-2018-7648

An issue was discovered in mj2/opj_mj2_extract.c in OpenJPEG 2.3.0

published March 2, 2018

CVSS
—
EPSS
2%
Percentile
76.1
In the wild
Unconfirmed
What it is

⚠️ A simple command with an overly long prefix can lead to a buffer overflow in OpenJPEG 2.3.0, just like overstuffing a suitcase until it bursts open! 🧳 Imagine trying to shove too many clothes into a suitcase — eventually, it just can't hold anymore and explodes! In this case, providing a prefix longer than 50 characters on the command line can overflow a buffer, leading to potential havoc. An attacker could exploit this overflow to manipulate memory, which could lead to crashes or even execution of arbitrary code! While not guaranteed to be exploited, the possibility of destabilizing your application is absolutely concerning.

Put simply

Imagine trying to shove too many clothes into a suitcase — eventually, it just can't hold anymore and explodes! In this case, providing a prefix longer than 50 characters on the command line can overflow a buffer, leading to potential havoc. This vulnerability allows for a buffer overflow in OpenJPEG 2.3.0 since the output prefix length isn't checked when command-line arguments are passed — a classic case of forgetting to check the size before diving in!

What to do

An attacker could exploit this overflow to manipulate memory, which could lead to crashes or even execution of arbitrary code! While not guaranteed to be exploited, the possibility of destabilizing your application is absolutely concerning. To address this, update OpenJPEG to version 2.3.1 or later where this issue has been fixed. Additionally, consider implementing input validation to prevent similar vulnerabilities in the future. You've got this! Stay proactive with your updates and keep your software safe! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01637 · 76.1th percentile
Published
2018-03-02T16:00Z
EPSS history
Timeline
  • 02 MAR 16:00Z
    An issue was discovered in mj2/opj_mj2_extract.c in OpenJPEG 2.3.0
    cvelistv5