PT-2019-15168 · Jnoj · Jiangnan Online Judge

Published 2019-10-10 · Updated 2019-10-11 · CVE-2019-17493

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Jiangnan Online Judge (aka jnoj) version 0.8.0

Description The issue concerns an XSS vulnerability. It can be exploited via the sample input parameter in specific API endpoints, such as "web/admin/problem/create" or "web/polygon/problem/update".

Recommendations For version 0.8.0, as a temporary workaround, consider restricting access to the sample input parameter in the affected API endpoints until a patch is available. Avoid using the sample input parameter in the "web/admin/problem/create" and "web/polygon/problem/update" endpoints until the issue is resolved.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2019-17493

Affected Products

Jiangnan Online Judge

References · 3

• 🔥 https://github.com/shi-yang/jnoj/issues/51 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-17493 · Security Note
• https://osv.dev/vulnerability/CVE-2019-17493 · Vendor Advisory