Internet Explorer Memory Corruption Vulnerability
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2017-0202 |
| CWE-ID | CWE-119 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
Microsoft Internet Explorer Client/Desktop applications / Web browsers |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Memory corruption
EUVDB-ID: #VU6269
Risk: High
CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2017-0202
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error in CStyleSheetArray::BuildListOfMatchedRules. A remote unauthenticated attacker can create a specially crafted Web site, trick the victim into visiting it, trigger memory corruption and execute arbitrary code on the target system with privileges of the current user.
Successful exploitation of this vulnerability may result in remote code execution.
MitigationInstall updates from Microsoft website.
Vulnerable software versionsMicrosoft Internet Explorer: 11
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0202
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to visit a specially crafted website.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
