CVE-2016-3586

published 2016-07-21

CVE-2016-3586: Unspecified vulnerability in the Oracle WebLogic Server component in Oracle Fusion Middleware 10.3.6.0, 12.1.3.0, and 12.2.1.0 allows remote attackers to…

Priority P2 74 critical 9.8 CVSS 3.0

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

EXPLOIT

Unspecified vulnerability in the Oracle WebLogic Server component in Oracle Fusion Middleware 10.3.6.0, 12.1.3.0, and 12.2.1.0 allows remote attackers to affect confidentiality, integrity, and availability via vectors related to WLS Core Components, a different vulnerability than CVE-2016-3510.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
oracle	weblogic_server	—	—
oracle	weblogic_server	—	—
oracle	weblogic_server	—	—

Detection & IOCs extracted from sources · hover to see the quote

port 7001

command t3 12.2.1 AS:255 HL:19 MS:10000000 PU:t3://us-l-breens:7001

bytes

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

bytes

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

• → Exploit targets Oracle WebLogic T3 protocol on TCP port 7001; detect T3 handshake banner 't3 12.2.1' followed by a large serialized Java object payload beginning with hex prefix '00000460' over raw TCP.
• → The exploit payload is a Java deserialization gadget chain sent over T3; look for TCP streams to port 7001 containing the magic bytes 'aced 0005' (Java serialized object header) embedded within a T3 framed message.
• → Out-of-band DNS callback is used to confirm exploitation; monitor for DNS queries originating from WebLogic server hosts as a sign of successful RCE via deserialization.
• → Shodan/FOFA fingerprinting queries identify exposed WebLogic instances; use 'product:"oracle weblogic"' or title 'oracle peoplesoft sign-in' to find attack surface.
• → The T3 handshake packet includes the string 'PU:t3://us-l-breens:7001' as the peer URL; this specific string in network captures may indicate exploit tool usage.

• · The vulnerability is described as 'unspecified' by Oracle; no public technical details of the exact root cause are available beyond the T3/deserialization attack vector. ↗
• · The nuclei template targets CVE-2016-3510 (not CVE-2016-3586); both are described as different vulnerabilities in the same WLS Core Components attack surface over T3. ↗
• · The template probes both the default hostname and port 7001 explicitly; detections should account for WebLogic deployments on non-default ports.

CVSS provenance

nvd v3.0 9.8 CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd v2.0 10.0 CRITICAL AV:N/AC:L/Au:N/C:C/I:C/A:C

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