Multiple vulnerabilities in Microsoft Media Foundation



Published: 2020-06-09 | Updated: 2020-06-10
Risk High
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2020-1232
CVE-2020-1238
CVE-2020-1239
CWE-ID CWE-125
CWE-787
CWE-191
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Windows
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

Updated: 10.06.2020

Updated description and references section for vulnerability #2.

Updated description and references section for vulnerabilities #1, #3.

1) Out-of-bounds read

EUVDB-ID: #VU28844

Risk: Medium

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-1232

CWE-ID: CWE-125 - Out-of-bounds Read

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary condition within Microsoft Windows Media Player when parsing DTS streams. A remote attacker can trick the victim into connection to a malicious streaming server, trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Windows: 10 1607 - 10 2004

Windows Server: 2016 - 2019 2004


CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1232
http://www.zerodayinitiative.com/advisories/ZDI-20-693/

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.

2) Out-of-bounds write

EUVDB-ID: #VU28845

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-1238

CWE-ID: CWE-787 - Out-of-bounds Write

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Windows Media Foundation. A remote attacker can trick a victim to open a specially crafted document, or visit a malicious webpage, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Windows: 10 1709 - 10 2004

Windows Server: 2019 - 2019 2004


CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1238
http://www.zerodayinitiative.com/advisories/ZDI-20-695/
http://www.zerodayinitiative.com/advisories/ZDI-20-696/

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.

3) Integer underflow

EUVDB-ID: #VU28846

Risk: High

CVSSv3.1: 7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-1239

CWE-ID: CWE-191 - Integer Underflow (Wrap or Wraparound)

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer underflow in mpg2splt.ax module of Windows Media Player. A remote attacker can ass specially crafted data to the application, trigger integer underflow and execute arbitrary code on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Windows: 7 - 10 2004

Windows Server: 2008 - 2019 2004


CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1239
http://www.zerodayinitiative.com/advisories/ZDI-20-697/

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.



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