CVE-2021-21810CWE-122

A memory corruption vulnerability exists in the XML-parsing ParseAttribs functionality of AT&T Labs’ Xmill 0.7

High · published August 17, 2021

CVSS v3.0
8.1
EPSS
1%
Percentile
66.2
In the wild
Unconfirmed
What it is

⚡ A cleverly crafted XML file is all it takes to trigger a heap buffer overflow in AT&T Labs’ Xmill 0.7! This vulnerability is like leaving the back door wide open for any crafty intruder to waltz in. 🔥 Think of it like a restaurant accepting any order without double-checking the details. If someone sneaks in a fake dish on the menu, they could ruin the whole kitchen's operation! An attacker could exploit this vulnerability to manipulate memory, potentially leading to crashes or even executing arbitrary code. This could cripple your systems or enable unauthorized access, making it a serious threat. The implications are absolutely devastating if left unaddressed!

Put simply

Think of it like a restaurant accepting any order without double-checking the details. If someone sneaks in a fake dish on the menu, they could ruin the whole kitchen's operation! This memory corruption vulnerability resides in the XML-parsing ParseAttribs functionality, allowing attackers to cause a heap buffer overflow by feeding a specially crafted XML file to the application. This can lead to unpredictable behavior and security risks.

What to do

An attacker could exploit this vulnerability to manipulate memory, potentially leading to crashes or even executing arbitrary code. This could cripple your systems or enable unauthorized access, making it a serious threat. The implications are absolutely devastating if left unaddressed! Immediate action is to patch Xmill to the latest version to close this vulnerability. Additionally, create safeguards to validate and sanitize XML input to prevent crafted files from triggering this exploit. Regular code reviews can help catch these sneaky issues before they escalate! You've got this! Follow these steps, and you’ll be well on your way to securing your systems like a pro! 🛡️

The record
Technical detail
CVSS v3.0
8.1 · HIGH
Vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01136 · 66.2th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2021-08-17T19:17Z
EPSS history
Timeline
  • 17 AUG 19:17Z
    A memory corruption vulnerability exists in the XML-parsing ParseAttribs functionality of AT&T Labs’ Xmill 0.7
    cvelistv5