CVE-2021-40720CWE-502

Ops CLI Deserialization of Untrusted Data leads to Abritrary Code Execution

Critical ยท published October 15, 2021

CVSS v3.1
9.8
EPSS
10%
Percentile
95.4
In the wild
Unconfirmed
What it is

๐Ÿšจ Deserialization of untrusted data could allow an attacker to execute arbitrary code with just one maliciously crafted file! ๐Ÿ”ฅ Think of it like a chef in a restaurant who unknowingly accepts a box of ingredients with harmful items โ€” they trust the order without checking the contents, potentially ruining the dish! ๐Ÿฝ๏ธ If exploited, an attacker could take control of the victim's machine, leading to devastating consequences like data theft, system corruption, or even complete takeover. This vulnerability can turn your trusted operations into a playground for malicious activities! ๐Ÿ˜ฑ

Put simply

Think of it like a chef in a restaurant who unknowingly accepts a box of ingredients with harmful items โ€” they trust the order without checking the contents, potentially ruining the dish! ๐Ÿฝ๏ธ This vulnerability in Ops CLI version 2.0.4 (and earlier) involves unvalidated input in the checkout_repo function, allowing attackers to send maliciously crafted files that execute arbitrary code during deserialization.

What to do

If exploited, an attacker could take control of the victim's machine, leading to devastating consequences like data theft, system corruption, or even complete takeover. This vulnerability can turn your trusted operations into a playground for malicious activities! ๐Ÿ˜ฑ Update Ops CLI to the latest version immediately to eliminate this risk. Be sure to review any files before processing them, and consider implementing additional validation checks to prevent future issues. ๐Ÿ›ก๏ธ You've got this! With these steps, you can secure your environment and keep those malicious chefs at bay! ๐Ÿ’ช๐Ÿ˜Š

The record
Technical detail
CVSS v3.1
9.8 ยท CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.09515 ยท 95.4th percentile
Weakness
CWE-502 ยท Deserialization of Untrusted Data
Published
2021-10-15T14:22Z
EPSS history
Timeline
  • 15 OCT 14:22Z
    Ops CLI Deserialization of Untrusted Data leads to Abritrary Code Execution
    cvelistv5