#VU23105 Input validation error in libvpx - CVE-2019-9433

Vulnerability identifier: #VU23105

Vulnerability risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-9433

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libvpx
Client/Desktop applications / Multimedia software

Vendor: WebM Project

Description

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

The vulnerability exists due to insufficient validation of user-supplied input when processing media content in libvpx. A remote attacker can pass specially crafted file to the application and gain access to sensitive information.

Mitigation
Install update from vendor's website.

Vulnerable software versions

libvpx: 0.9.0 - 1.8.1

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External links
https://www.openwall.com/lists/oss-security/2019/10/25/17
https://www.openwall.com/lists/oss-security/2019/10/27/1
https://source.android.com/security/bulletin/android-10

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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