CVE-2001-0499

Buffer overflow in Transparent Network Substrate (TNS) Listener in Oracle 8i 8.1.7 and earlier allows remote attackers to gain privileges via a long argument…

published July 27, 2001

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.7th percentile for exploit probability.

CVSS
—
EPSS
85%
Percentile
99.7
In the wild
Unconfirmed
What it is

🚨 A simple long command can trigger a buffer overflow in Oracle 8i's TNS Listener! This means remote attackers might just gain privileges with minimal effort. 😱 Think of it like a restaurant where a diner orders an absurdly large meal that the kitchen can't handle; instead of it being a funny story, it causes chaos in the kitchen, affecting everyone! If exploited, an attacker could potentially gain unauthorized privileges, allowing them to execute commands, access sensitive data, or even manipulate system settings. This security weakness turns your database into a playground for malicious users, which could lead to a total breach of your system!

Put simply

Think of it like a restaurant where a diner orders an absurdly large meal that the kitchen can't handle; instead of it being a funny story, it causes chaos in the kitchen, affecting everyone! This vulnerability exists due to a buffer overflow in the TNS Listener, triggered by overly long arguments to specific commands like STATUS or PING, allowing attackers to overwrite memory and execute arbitrary code.

What to do

If exploited, an attacker could potentially gain unauthorized privileges, allowing them to execute commands, access sensitive data, or even manipulate system settings. This security weakness turns your database into a playground for malicious users, which could lead to a total breach of your system! To mitigate this risk, you should consider upgrading to a more recent version of Oracle as the vulnerability affects versions 8i 8.1.7 and earlier. Additionally, restrict access to the TNS Listener and monitor logs for unusual command usage. You can tackle this! Stay proactive and keep your systems updated to ensure you're protected. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.85201 · 99.7th percentile
Published
2001-07-27T04:00Z
EPSS history
Timeline
  • 27 JUL 04:00Z
    Buffer overflow in Transparent Network Substrate (TNS) Listener in Oracle 8i 8.1.7 and earlier allows remote attackers to gain privileges via a long argument…
    cvelistv5