Predictable PRNG Seeding in Qt QAbstractOAuth (pre-5.15.17/6.2.13)
CVE-2024-36048 Published on May 18, 2024

QAbstractOAuth in Qt Network Authorization in Qt before 5.15.17, 6.x before 6.2.13, 6.3.x through 6.5.x before 6.5.6, and 6.6.x through 6.7.x before 6.7.1 uses only the time to seed the PRNG, which may result in guessable values.

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Vulnerability Analysis

CVE-2024-36048 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. An automatable proof of concept (POC) exploit exists. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a PRNG Vulnerability?

The software uses a Pseudo-Random Number Generator (PRNG) that does not correctly manage seeds.

CVE-2024-36048 has been classified to as a PRNG vulnerability or weakness.


Products Associated with CVE-2024-36048

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Exploit Probability

EPSS
0.48%
Percentile
64.86%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.