Multiple vulnerabilities in Microsoft Graphics Components
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2018-8432 CVE-2018-8427 |
| CWE-ID | CWE-119 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Windows Server Operating systems & Components / Operating system Windows Operating systems & Components / Operating system Microsoft Office for Mac Client/Desktop applications / Office applications Microsoft Word Client/Desktop applications / Office applications Microsoft Office Compatibility Pack Client/Desktop applications / Office applications Microsoft Excel Client/Desktop applications / Office applications Microsoft PowerPoint Client/Desktop applications / Office applications Microsoft Office Client/Desktop applications / Office applications |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Memory corruption
EUVDB-ID: #VU15264
Risk: High
CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-8432
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when Microsoft Graphics Components handle objects in memory. A remote unauthenticated attacker can trick the victim into opening a specially crafted file, trigger memory corruption and execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows Server: 2008 - 2019 10.0.17763.1
Microsoft Office for Mac: 2016
Microsoft Word: Viewer
Microsoft Office Compatibility Pack: Service Pack 3
Windows: 7 - 10 1809 10.0.17763.1
Microsoft Excel: Viewer 2007 Service Pack 3
Microsoft PowerPoint: Viewer
Microsoft Office: 365 ProPlus - 2019
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8432
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) Information disclosure
EUVDB-ID: #VU15265
Risk: Low
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-2018-8427
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to obtain potentially sensitive information.
The vulnerability exists due to boundary error when Microsoft Graphics Components handle objects in memory. A remote attacker can trick the victim into opening a specially crafted file, trigger memory corruption and gain access to potentially sensitive information.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows Server: 2008
Microsoft Office for Mac: 2016
Microsoft Word: Viewer
Microsoft Office Compatibility Pack: Service Pack 3
Microsoft Excel: Viewer 2007 Service Pack 3
Microsoft PowerPoint: Viewer
Microsoft Office: 365 ProPlus - 2019
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8427
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.
