Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 3 |
CVE-ID | CVE-2018-0924 CVE-2018-0941 CVE-2018-0940 |
CWE-ID | CWE-601 CWE-200 CWE-79 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Microsoft Exchange Server Server applications / Mail servers |
Vendor | Microsoft |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
EUVDB-ID: #VU11001
Risk: Low
CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-0924
CWE-ID:
CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to redirect users to malicious websites.
The vulnerability exists due to insufficient validation of the redirected URL in Outlook Web Access (OWA) Light. A remote attacker can create a specially crafted link and perform phishing attacks against OWA users.
Install updates from vendor's website.
Vulnerable software versionsMicrosoft Exchange Server: 2010 Service Pack 3 Update Rollup 20 - 2016 Cumulative Update 8 15.01.1415.002
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0924
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 send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU11003
Risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-0941
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to obtain potentially sensitive information.
The vulnerability exists due to the way that Microsoft Exchange Server handles importing data. A remote attacker with ability to upload a specially crafted file to Microsoft Exchange Outlook Web Access (OWA), can get access to potentially sensitive information.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft Exchange Server: 2016 Cumulative Update 7 15.01.1261.035 - 2016 Cumulative Update 8 15.01.1415.002
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0941
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 send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU11007
Risk: Medium
CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-0940
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionThe disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data passed via hyperlinks in the email body. A remote attacker can create a specially crafted email message and execute arbitrary HTML and script code in user's browser in context of Outlook Web Access (OWA) website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
MitigationInstall updates from vendor's website.
Vulnerable software versionsMicrosoft Exchange Server: 2010 Service Pack 3 Update Rollup 20 - 2016 Cumulative Update 8 15.01.1415.002
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0940
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 send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.