PT-2019-12514 · Synology · Synology Calendar

Thomas Fady · Published 2019-06-30 · Updated 2024-09-21 · CVE-2019-11829

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Synology Calendar versions prior to 2.3.1-0617

Description The issue allows remote attackers to execute arbitrary commands via a crafted 'X-Real-IP' header. This is related to an OS command injection vulnerability in the drivers syno import user.php file.

Recommendations For versions prior to 2.3.1-0617, update to version 2.3.1-0617 or later to resolve the issue. As a temporary workaround, consider restricting access to the 'X-Real-IP' header to minimize the risk of exploitation.

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2019-11829

Affected Products

Synology Calendar

References · 5

• https://synology.com/security/advisory/Synology_SA_19_12 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-11829 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-11829 · Security Note
• https://t.me/malwr/1546 · Telegram Post
• https://twitter.com/rst_cloud/status/1837592730471469087 · Twitter Post