CVE-2002-0743

mail and mailx in AIX 4.3.3 core dump when called with a very long argument, an indication of a buffer overflow

published July 26, 2002

CVSS
—
EPSS
1%
Percentile
73.9
In the wild
Unconfirmed
What it is

⚠️ A long argument can crash your mail service! If the input exceeds a certain length, the mail and mailx utilities in AIX 4.3.3 can throw a tantrum and create a core dump! Think of it like overstuffing a suitcase — when you try to jam in too many clothes, the zipper breaks and your belongings spill out everywhere! Similarly, this buffer overflow causes a total meltdown when the input is too long. If left unchecked, an attacker could blow up your mail system, causing it to crash and potentially leading to service outages. While this vulnerability isn't known to be actively exploited, a successful attack could disrupt communication and create chaos in your operations.

Put simply

Think of it like overstuffing a suitcase — when you try to jam in too many clothes, the zipper breaks and your belongings spill out everywhere! Similarly, this buffer overflow causes a total meltdown when the input is too long. The vulnerability arises when the mail and mailx utilities process overly long command-line arguments, leading to a buffer overflow. This flaw allows the software to crash and produce a core dump, exposing the system to various issues.

What to do

If left unchecked, an attacker could blow up your mail system, causing it to crash and potentially leading to service outages. While this vulnerability isn't known to be actively exploited, a successful attack could disrupt communication and create chaos in your operations. To mitigate this risk, consider upgrading to a more recent version of AIX that addresses this issue. Additionally, monitor command-line arguments to enforce length limits, and review your configurations for any potential risks. You got this! With a few proactive steps, you can keep your mail systems running smoothly! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01498 · 73.9th percentile
Published
2002-07-26T04:00Z
EPSS history
Timeline
  • 26 JUL 04:00Z
    mail and mailx in AIX 4.3.3 core dump when called with a very long argument, an indication of a buffer overflow
    cvelistv5