CVE-2024-53441

An issue in the index.js decryptCookie function of cookie-encrypter v1.0.1 allows attackers to execute a bit flipping attack

Critical · published December 9, 2024

CVSS v3.1
9.1
EPSS
0%
Percentile
19.8
In the wild
Unconfirmed
What it is

🔥 Just a tweak in the bitstream could spell disaster! The decryptCookie function in cookie-encrypter v1.0.1 is vulnerable to a bit flipping attack that could let attackers control sensitive data. ⚡ Think of it like a chef who can change a recipe just by adjusting one ingredient on the menu—a single bit flipped can change the entire outcome of a cookie, breeching your data security. 🍪 An attacker exploiting this vulnerability could manipulate cookies to gain unauthorized access to user sessions or sensitive information. Imagine someone sneaking a peek into your private vault because of a tiny flaw—this could lead to a full-blown data breach! 🚨

Put simply

Think of it like a chef who can change a recipe just by adjusting one ingredient on the menu—a single bit flipped can change the entire outcome of a cookie, breeching your data security. 🍪 The vulnerability arises from a flaw in the decryptCookie function, allowing attackers to alter bits in encrypted cookies without detection, potentially compromising the integrity of the data.

What to do

An attacker exploiting this vulnerability could manipulate cookies to gain unauthorized access to user sessions or sensitive information. Imagine someone sneaking a peek into your private vault because of a tiny flaw—this could lead to a full-blown data breach! 🚨 Upgrade to cookie-encrypter version 1.0.2 or later immediately to patch this vulnerability. Additionally, consider implementing checks to ensure the integrity of cookies before processing them. Stay vigilant! 🛡️ You're on the right track! By following these steps, you'll safeguard your application against this critical issue. You've got this! 💪✨

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00283 · 19.8th percentile
Published
2024-12-09T00:00Z
EPSS history
Timeline
  • 09 DEC 00:00Z
    An issue in the index.js decryptCookie function of cookie-encrypter v1.0.1 allows attackers to execute a bit flipping attack
    cvelistv5