#VU23498 Information disclosure in Microsoft Authentication Library (MSAL) - CVE-2019-1487

Vulnerability identifier: #VU23498

Vulnerability risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-1487

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Authentication Library (MSAL)
Mobile applications / Libraries for mobile applications

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to unspecified error in Android Apps using Microsoft Authentication Library (MSAL) under specific conditions. A remote authenticated attacker can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Authentication Library (MSAL): 0.0.3 - 1.0.9

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1487

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.