A vulnerability was found in Cloud Foundry UAA (Cloud Software). It has been rated as critical. This issue affects an unknown function of the component Email Address Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Cloud Foundry UAA, versions prior to v70.0, allows a user to update their own email address. A remote authenticated user can impersonate a different user by changing their email address to that of a different user.

The bug was discovered 02/26/2019. The weakness was presented 03/07/2019 (Website). The advisory is shared at cloudfoundry.org. The identification of this vulnerability is CVE-2019-3775 since 01/03/2019. The attack may be initiated remotely. The successful exploitation requires a simple authentication. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 9 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version v70.0 eliminates this vulnerability.

See VDB-231155, VDB-232055, VDB-233518 and VDB-235604 for similar entries.

Productinfo

Type

• Cloud Software

Name

• Cloud Foundry UAA

Version

• 4.5.7
• 4.7.5
• 4.7.6
• 4.10.1
• 4.10.2
• 4.12.3
• 4.12.4
• 4.19.1
• 4.19.2
• 60
• 61
• 62
• 63
• 64
• 71.0
• 73.0.0
• 73.3.0
• 73.4.0
• 74.0.0
• 74.8.0
• 74.10.0
• 74.14.0
• <=4.5.6
• <=4.19.0
• <=70
• <=72
• <=73
• <=73.2
• <=73.3
• <=74.2
• <=74.7
• <=74.9.0

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