CVE-2024-47869CWE-203

Non-constant-time comparison when comparing hashes in Gradio

Low · published October 10, 2024

CVSS v4.0
2.3
EPSS
0%
Percentile
21.0
In the wild
Unconfirmed
What it is

Gradio is an open-source Python package designed for quick prototyping. This vulnerability involves a **timing attack** in the way Gradio compares hashes for the `analytics_dashboard` function. Since the comparison is not done in constant time, an attacker could exploit this by measuring the response time of different requests to infer the correct hash byte-by-byte. This can lead to unauthorized access to the analytics dashboard, especially if the attacker can repeatedly query the system with different keys. Users are advised to upgrade to `gradio>4.44` to mitigate this issue. To mitigate the risk before applying the patch, developers can manually patch the `analytics_dashboard` dashboard to use a **constant-time comparison** function for comparing sensitive values, such as hashes. Alternatively, access to the analytics dashboard can be disabled.

The record
Technical detail
CVSS v4.0
2.3 · LOW
Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00295 · 21.0th percentile
Weakness
CWE-203 · Observable Discrepancy
Published
2024-10-10T22:16Z
EPSS history
Timeline
  • 10 OCT 22:16Z
    Non-constant-time comparison when comparing hashes in Gradio
    cvelistv5