PT-2018-1643 · Microsoft · Sharepoint Server

Ashar Javed · Published 2018-09-11 · Updated 2019-10-03 · CVE-2018-8431

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions Microsoft SharePoint Server (affected versions not specified)

Description The issue is related to insufficient protection of the web page structure, allowing a remote attacker to perform cross-site scripting attacks with elevated privileges using specially crafted requests. An authenticated attacker could exploit this by sending a specially crafted request to an affected SharePoint server, potentially allowing them to read unauthorized content, use the victim's identity to take actions on the SharePoint site, and inject malicious content into the user's browser.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BDU:2018-01202

CVE-2018-8431

Affected Products

Sharepoint Server

References · 7

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8431 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-8431 · Security Note
• https://osv.dev/vulnerability/CVE-2018-8431 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8431 · Security Note
• https://bdu.fstec.ru/vul/2018-01202 · Security Note
• http://securityfocus.com/bid/105221 · Note
• http://securitytracker.com/id/1041639 · Note