Security Advisory

1) Out-of-bounds read

Severity: Medium

CVSSv3:
5.7 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID:
CVE-2020-1232

CWE-ID:
CWE-125 – Out-of-bounds Read

Exploit availability:
No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within Media Foundation. A local user can use a specially crafted application to trigger 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 1709, 10 1803, 10 1809, 10 1903, 10 1909, 10 2004

Windows Server:
2016, 2019, 2019 1803, 2019 1903, 2019 1909, 2019 2004

CPE

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1232

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) Buffer overflow

Severity: High

CVSSv3:
7.7 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID:
CVE-2020-1238

CWE-ID:
CWE-119 – Improper Restriction of Operations within the Bounds of a Memory Buffer

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 1803, 10 1809, 10 1903, 10 1909, 10 2004

Windows Server:
2019, 2019 1803, 2019 1903, 2019 1909, 2019 2004

CPE

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1238

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) Buffer overflow

Severity: High

CVSSv3:
7.7 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID:
CVE-2020-1239

CWE-ID:
CWE-119 – Improper Restriction of Operations within the Bounds of a Memory Buffer

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:
7, 8.1, 10, 10 1607, 10 1709, 10 1803, 10 1809, 10 1903, 10 1909, 10 2004, RT 8.1

Windows Server:
2008, 2008 R2, 2012, 2012 R2, 2016, 2019, 2019 1803, 2019 1903, 2019 1909, 2019 2004

CPE

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1239

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.





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