PT-2018-9545 · Micromathematics · Micromathematics

Prodigysml · Published 2018-12-20 · Updated 2019-01-08 · CVE-2018-1000821

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions MicroMathematics versions prior to commit 5c05ac8

Description The issue concerns a XML External Entity (XXE) vulnerability in SMathStudio files, which can lead to the disclosure of confidential data, denial of service, Server-Side Request Forgery (SSRF), and port scanning. This can be exploited through specially crafted SMathStudio files.

Recommendations For versions prior to commit 5c05ac8, update to a version after commit 5c05ac8 to resolve the issue. As a temporary workaround, consider restricting the use of SMathStudio files until the update is applied.

Fix

XXE

Weakness Enumeration

CWE-611

Related Identifiers

CVE-2018-1000821

Affected Products

Micromathematics

References · 4

• https://osv.dev/vulnerability/CVE-2018-1000821 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-1000821 · Security Note
• https://github.com/mkulesh/microMathematics/issues/79 · Note
• https://0dd.zone/2018/10/27/micromathematics-XXE · Note