Oracle Communications BRM 5.1/6.0 Services Gatekeeper deserialization

CVSS Meta Temp Score
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CTI Interest Score
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9.4$5k-$25k0.00

Summaryinfo

A vulnerability classified as very critical has been found in Oracle Communications BRM 5.1/6.0. Affected is an unknown function of the component Services Gatekeeper. Performing a manipulation results in deserialization. This vulnerability is reported as CVE-2017-5645. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Oracle Communications BRM 5.1/6.0 (Cloud Software). It has been classified as very critical. This affects some unknown processing of the component Services Gatekeeper. 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. The summary by CVE is:

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 disclosed 01/18/2018 by Marcio Almeida as Oracle Critical Patch Update Advisory - January 2018 as confirmed advisory (Website). The advisory is shared at oracle.com. This vulnerability is uniquely identified as CVE-2017-5645 since 01/29/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (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 databases at Tenable (101576) and SecurityFocus (BID 97702†). The entries VDB-99929, VDB-112020, VDB-112034 and VDB-112033 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
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: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

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 (🔍)
GCVE (CVE): GCVE-0-2017-5645
GCVE (VulDB): GCVE-100-111957
SecurityFocus: 97702 - Apache Log4j CVE-2017-5645 Remote Code Execution Vulnerability
SecurityTracker: 1040200

See also: 🔍

Entryinfo

Created: 01/18/2018 09:43
Updated: 01/30/2021 10:21
Changes: 01/18/2018 09:43 (91), 12/25/2019 15:14 (1), 01/30/2021 10:21 (2)
Complete: 🔍
Cache ID: 216:885:103

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