CVE-2018-8558
published 2018-11-14CVE-2018-8558: An information disclosure vulnerability exists when Microsoft Outlook fails to respect "Default link type" settings configured via the SharePoint Online Admin…
PriorityP434medium6.5CVSS 3.0
AVNACLPRLUINSUCHINAN
EPSS
5.58%
92.9th percentile
An information disclosure vulnerability exists when Microsoft Outlook fails to respect "Default link type" settings configured via the SharePoint Online Admin Center, aka "Microsoft Outlook Information Disclosure Vulnerability." This affects Office 365 ProPlus, Microsoft Office. This CVE ID is unique from CVE-2018-8579.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | microsoft_office | — | — |
| microsoft | microsoft_office | — | — |
| microsoft | office | — | — |
| microsoft | office | — | — |
| microsoft | office | — | — |
| msrc | microsoft_office_2019_for_32-bit_editions | — | — |
| msrc | microsoft_office_2019_for_64-bit_editions | — | — |
| msrc | office_365_proplus_for_32-bit_systems | — | — |
| msrc | office_365_proplus_for_64-bit_systems | — | — |
CVSS provenance
nvdv3.06.5MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
nvdv2.04.0MEDIUMAV:N/AC:L/Au:S/C:P/I:N/A:N
vendor_msrc6.5HIGH
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GHSA
GHSA-c7gg-mch8-hvm7: An information disclosure vulnerability exists when Microsoft Outlook fails to respect "Default link type" settings configured via the SharePoint Onli
ghsa_unreviewed·2022-05-14·CVSS 6.5
CVE-2018-8558 [MEDIUM] CWE-200 GHSA-c7gg-mch8-hvm7: An information disclosure vulnerability exists when Microsoft Outlook fails to respect "Default link type" settings configured via the SharePoint Onli
An information disclosure vulnerability exists when Microsoft Outlook fails to respect "Default link type" settings configured via the SharePoint Online Admin Center, aka "Microsoft Outlook Information Disclosure Vulnerability." This affects Office 365 ProPlus, Microsoft Office. This CVE ID is unique from CVE-2018-8579.
GHSA
GHSA-qmwc-jg89-8mqr: An information disclosure vulnerability exists when attaching files to Outlook messages, aka "Microsoft Outlook Information Disclosure Vulnerability
ghsa_unreviewed·2022-05-13·CVSS 6.5
CVE-2018-8579 [MEDIUM] GHSA-qmwc-jg89-8mqr: An information disclosure vulnerability exists when attaching files to Outlook messages, aka "Microsoft Outlook Information Disclosure Vulnerability
An information disclosure vulnerability exists when attaching files to Outlook messages, aka "Microsoft Outlook Information Disclosure Vulnerability." This affects Office 365 ProPlus, Microsoft Office. This CVE ID is unique from CVE-2018-8558.
Microsoft
Microsoft Outlook Information Disclosure Vulnerability
vendor_msrc·2018-11-13·CVSS 6.5
CVE-2018-8558 [MEDIUM] Microsoft Outlook Information Disclosure Vulnerability
Microsoft Outlook Information Disclosure Vulnerability
Description: An information disclosure vulnerability exists when Microsoft Outlook fails to respect "Default link type" settings configured via the SharePoint Online Admin Center.
A malicious user could potentially share anonymously-accessible links to other users via email where these links are intended to be accessed only by specific users.
The security update addresses the vulnerability by correcting how Microsoft Outlook generates links inserted into emails via the "Attach File" interface.
FAQ: What type of information could be disclosed by this vulnerability?
The type of information that could be disclosed if an attacker successfully exploited this vulnerability is unauthorized file system access - reading from the file system.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2018-11-14
Published