IBM Db2 for i 7.2-7.5: Local Authenticated User Enumeration via UDFs
CVE-2024-31870 Published on June 15, 2024
IBM i information disclosure
IBM Db2 for i 7.2, 7.3, 7.4, and 7.5 supplies user defined table function is vulnerable to user enumeration by a local authenticated attacker, without having authority to the related *USRPRF objects. This can be used by a malicious actor to gather information about users that can be targeted in further attacks. IBM X-Force ID: 287174.
Vulnerability Analysis
CVE-2024-31870 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
Observable Response Discrepancy
The product provides different responses to incoming requests in a way that reveals internal state information to an unauthorized actor outside of the intended control sphere. This issue frequently occurs during authentication, where a difference in failed-login messages could allow an attacker to determine if the username is valid or not. These exposures can be inadvertent (bug) or intentional (design).
Products Associated with CVE-2024-31870
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Affected Versions
IBM i:- Version 7.2, 7.3, 7.4, 7.5 is affected.
- Version 7.3 is affected.
- Version 7.2 is affected.
- Version 7.4 is affected.
- Version 7.5 is affected.
Exploit Probability
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.