Multiple vulnerabilities in Microsoft Windows Codecs Library



| Updated: 2020-09-13
Risk High
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2020-1129
CVE-2020-1319
CWE-ID CWE-119
CWE-824
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Windows
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

Updated: 13.09.2020

Updated description, CVSS and CWE-ID, raised risk level from medium to high for vulnerability #2.

1) Buffer overflow

EUVDB-ID: #VU46490

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-1129

CWE-ID: CWE-119 - Memory corruption

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 within Microsoft Windows Codecs Library. A remote attacker can send a specially crafted image file, 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 1607 10.0.14393.10 - 10 2004 10.0.19041.264

Windows Server: 2016 10.0.14393.10 - 2019 2004

CPE2.3 External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1129


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) Access of uninitialized pointer

EUVDB-ID: #VU46491

Risk: High

CVSSv4.0: 5.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-1319

CWE-ID: CWE-824 - Access of Uninitialized Pointer

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 within Microsoft Windows Codecs Library when parsing WebM videos. A remote attacker can trick the victim to open a specially crafted file, 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 - 10 2004 10.0.19041.264

Windows Server: 2008 - 2019 2004

CPE2.3 External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1319
https://www.zerodayinitiative.com/advisories/ZDI-20-1134/


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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