PT-2021-3015 · Oracle · Oracle Support Tools

Quynh Le · Published 2021-04-20 · Updated 2021-04-30 · CVE-2021-2303

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:L/Au:S/C:C/I:N/A:N

Name of the Vulnerable Software and Affected Versions Oracle OSS Support Tools versions prior to 2.12.41

Description The issue is related to the incorrect restriction of XML external entity references in the Diagnostic Assistant component of Oracle OSS Support Tools. This can allow a remote attacker to gain unauthorized access to sensitive information. Successful exploitation can result in unauthorized access to critical data or complete access to all accessible data.

Recommendations For versions prior to 2.12.41, update to version 2.12.41 or later to resolve the issue. As a temporary workaround, consider restricting access to the Diagnostic Assistant component to minimize the risk of exploitation.

Fix

XXE

Weakness Enumeration

CWE-611

Related Identifiers

BDU:2021-02618

CVE-2021-2303

ZDI-21-458

Affected Products

Oracle Support Tools

References · 5

• https://zerodayinitiative.com/advisories/ZDI-21-458 · Security Note
• https://oracle.com/security-alerts/cpuapr2021.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-2303 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-2303 · Security Note
• https://bdu.fstec.ru/vul/2021-02618 · Security Note