PT-2021-17503 · Infraware · Polaris Office

Published 2021-02-23 · Updated 2021-02-26 · CVE-2021-27550

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Polaris Office version 9.102.66

Description The issue is caused by a divide-by-zero error in PolarisOffice.exe and EngineDLL.dll, which may lead to a local denial of service. To exploit this, an attacker must open a crafted PDF file.

Recommendations For Polaris Office version 9.102.66, consider avoiding the use of crafted PDF files until a patch is available. As a temporary workaround, restrict the opening of PDF files from untrusted sources to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Divide By Zero

Weakness Enumeration

CWE-369

Related Identifiers

CVE-2021-27550

Affected Products

Polaris Office

References · 6

• 🔥 https://gist.github.com/sqrtrev/1f9986d4bdd1393832c60a97b56e170a · Exploit
• https://osv.dev/vulnerability/CVE-2021-27550 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-27550 · Security Note
• https://t.me/cvenotify/10584 · Telegram Post
• https://t.me/cvenotify/10350 · Telegram Post
• https://t.me/cibsecurity/23990 · Telegram Post