CVE-2018-1000221

pkgconf version 1.5.0 to 1.5.2 contains a Buffer Overflow vulnerability in dequote() that can result in dequote() function returns 1-byte allocation if initial…

published August 20, 2018

CVSS
—
EPSS
1%
Percentile
71.3
In the wild
Unconfirmed
What it is

⚠️ A buffer overflow that’s hidden in plain sight! This sneaky vulnerability in pkgconf versions 1.5.0 to 1.5.2 can lead to unexpected behavior if exploited through a carefully crafted .pc file. 🔍 Think of it like trying to fit an oversized piece of furniture into a tiny room without measuring first; when you force it in, everything gets pushed out of place, and chaos ensues! If an attacker wields this vulnerability, they could cause a buffer overflow, potentially leading to system instability or worse. This could allow for arbitrary code execution, making it a serious concern even if not widely exploited yet.

Put simply

Think of it like trying to fit an oversized piece of furniture into a tiny room without measuring first; when you force it in, everything gets pushed out of place, and chaos ensues! This vulnerability arises in the dequote() function of pkgconf, where a 1-byte allocation is mistakenly returned if the initial length is zero, paving the way for buffer overflow issues through specially crafted input files.

What to do

If an attacker wields this vulnerability, they could cause a buffer overflow, potentially leading to system instability or worse. This could allow for arbitrary code execution, making it a serious concern even if not widely exploited yet. To safeguard your system, ensure you update pkgconf to version 1.5.3 or later. Regularly audit your versioning to prevent using vulnerable software, and consider implementing strict input validation to mitigate risks. You’ve got this! By updating and staying vigilant, you’ll keep your system secure and sound. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01352 · 71.3th percentile
Published
2018-08-20T20:00Z
EPSS history
Timeline
  • 20 AUG 20:00Z
    pkgconf version 1.5.0 to 1.5.2 contains a Buffer Overflow vulnerability in dequote() that can result in dequote() function returns 1-byte allocation if initial…
    cvelistv5