CVE-2019-25052

In Linaro OP-TEE before 3.7.0, by using inconsistent or malformed data, it is possible to call update and final cryptographic functions directly, causing a…

published August 11, 2021

CVSS
—
EPSS
1%
Percentile
58.3
In the wild
Unconfirmed
What it is

⚠️ A crafty inconsistency in Linaro OP-TEE lets attackers call cryptographic functions directly! 📉 This could lead to crashes and potentially leak sensitive information. Think of it like a restaurant where a customer can directly access the kitchen and force the chefs to prepare meals without proper orders. It creates chaos and risk, leaving sensitive recipes (data) exposed and vulnerable to anyone who knows the trick. An attacker exploiting this oversight could cause the system to crash, leading to a potential leak of sensitive information. While the severity is marked as UNKNOWN, the possibility of mishandled sensitive data is absolutely concerning and should not be taken lightly.

Put simply

Think of it like a restaurant where a customer can directly access the kitchen and force the chefs to prepare meals without proper orders. It creates chaos and risk, leaving sensitive recipes (data) exposed and vulnerable to anyone who knows the trick. This vulnerability arises from inconsistent or malformed data allowing unauthorized access to update and final cryptographic functions in versions of Linaro OP-TEE prior to 3.7.0.

What to do

An attacker exploiting this oversight could cause the system to crash, leading to a potential leak of sensitive information. While the severity is marked as UNKNOWN, the possibility of mishandled sensitive data is absolutely concerning and should not be taken lightly. To safeguard your systems, update Linaro OP-TEE to version 3.7.0 or later immediately. Additionally, review any cryptographic function calls to ensure they are being handled securely and consistently. You've got this! With a simple update, you can help keep your data safe and sound. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00868 · 58.3th percentile
Published
2021-08-11T14:59Z
EPSS history
Timeline
  • 11 AUG 14:59Z
    In Linaro OP-TEE before 3.7.0, by using inconsistent or malformed data, it is possible to call update and final cryptographic functions directly, causing a…
    cvelistv5