CVE-2017-5334

Double free vulnerability in the gnutls_x509_ext_import_proxy function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have…

published March 24, 2017

CVSS
—
EPSS
33%
Percentile
98.3
In the wild
Unconfirmed
What it is

⚠️ There's a double free vulnerability lurking in GnuTLS before versions 3.3.26 and 3.5.8! Attackers might exploit crafted policy language in X.509 certificates, leading to unpredictable chaos. 🤯 Think of it like a restaurant that accidentally serves the same dish twice to the same customer, but the kitchen is overwhelmed and can't manage orders properly — it creates confusion and potential food poisoning! An attacker could potentially leverage this vulnerability to influence how the system processes certificates, leading to memory mismanagement. While the exact consequences are unspecified, unpredictable behavior could jeopardize the integrity of the system. Yikes!

Put simply

Think of it like a restaurant that accidentally serves the same dish twice to the same customer, but the kitchen is overwhelmed and can't manage orders properly — it creates confusion and potential food poisoning! This vulnerability arises when the gnutls_x509_ext_import_proxy function improperly handles memory allocation, allowing a double free condition that could lead to application instability or unintended behavior.

What to do

An attacker could potentially leverage this vulnerability to influence how the system processes certificates, leading to memory mismanagement. While the exact consequences are unspecified, unpredictable behavior could jeopardize the integrity of the system. Yikes! To safeguard your systems, upgrade GnuTLS to at least version 3.3.26 or 3.5.8 right away. Regularly audit your dependencies to ensure they’re up to date and consider implementing additional security measures to validate certificate information. 🛡️ You've got this! By following these steps, you can keep your systems secure and robust! 🔒

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.32754 · 98.3th percentile
Published
2017-03-24T15:00Z
EPSS history
Timeline
  • 24 MAR 15:00Z
    Double free vulnerability in the gnutls_x509_ext_import_proxy function in GnuTLS before 3.3.26 and 3.5.x before 3.5.8 allows remote attackers to have…
    cvelistv5