VDB-112008 · CVE-2017-5645 · BID 97702

Oracle WebLogic Server 10.3.6.0.0/12.1.3.0.0/12.2.1.2.0/12.2.1.3.0 Sample Apps deserialization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.4$5k-$25k0.00

A vulnerability, which was classified as very critical, was found in Oracle WebLogic Server 10.3.6.0.0/12.1.3.0.0/12.2.1.2.0/12.2.1.3.0 (Application Server Software). Affected is an unknown functionality of the component Sample Apps. The manipulation with an unknown input leads to a deserialization vulnerability. CWE is classifying the issue as CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In Apache Log4j 2.x before 2.8.2, when using the TCP socket server or UDP socket server to receive serialized log events from another application, a specially crafted binary payload can be sent that, when deserialized, can execute arbitrary code.

The bug was discovered 04/02/2017. The weakness was presented 01/18/2018 by Marcio Almeida as Oracle Critical Patch Update Advisory - January 2018 as confirmed advisory (Website). The advisory is shared for download at oracle.com. This vulnerability is traded as CVE-2017-5645 since 01/29/2017. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 01/30/2021).

The vulnerability was handled as a non-public zero-day exploit for at least 15 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 101576 (Fedora 26 : log4j (2017-11edc0d6c3)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 87333 (Oracle WebLogic Server Multiple Vulnerabilities (CPUAPR2018)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (101576). See 99929, 112020, 112034 and 112033 for similar entries.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.7

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Oracle): 9.8
Vendor Vector (Oracle): 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Nessus ID: 101576
Nessus Name: Fedora 26 : log4j (2017-11edc0d6c3)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for log4j12 FEDORA-2017-8348115acd
OpenVAS File: 🔍
OpenVAS Family: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
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Timelineinfo

01/29/2017 🔍
04/02/2017 +63 days 🔍
04/17/2017 +15 days 🔍
04/17/2017 +0 days 🔍
07/17/2017 +91 days 🔍
01/18/2018 +185 days 🔍
01/18/2018 +0 days 🔍
01/18/2018 +0 days 🔍
01/30/2021 +1108 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - January 2018
Researcher: Marcio Almeida
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-5645 (🔍)
SecurityTracker: 1040200
SecurityFocus: 97702 - Apache Log4j CVE-2017-5645 Remote Code Execution Vulnerability

See also: 🔍

Entryinfo

Created: 01/18/2018 09:43
Updated: 01/30/2021 17:20
Changes: 01/18/2018 09:43 (91), 12/26/2019 08:54 (1), 01/30/2021 17:20 (2)
Complete: 🔍

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