Apache Archiva XML DTD Connection xml external entity reference

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Apache Archiva and classified as critical. The affected element is an unknown function of the component XML DTD Handler. Performing a manipulation results in xml external entity reference (Connection). This vulnerability is identified as CVE-2016-5002. The attack is only possible with local access. Additionally, an exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in Apache Archiva (the affected version unknown). This affects an unknown part of the component XML DTD Handler. The manipulation with an unknown input leads to a xml external entity reference vulnerability (Connection). CWE is classifying the issue as CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

XML external entity (XXE) vulnerability in the Apache XML-RPC (aka ws-xmlrpc) library 3.1.3, as used in Apache Archiva, allows remote attackers to conduct server-side request forgery (SSRF) attacks via a crafted DTD.

The weakness was released 07/08/2016 by 0ang3el as Beware of ws-xmlrpc library in your Java App as not defined advisory (Blogspot). The advisory is shared at 0ang3el.blogspot.ru. This vulnerability is uniquely identified as CVE-2016-5002 since 05/24/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available.

A public exploit has been developed by 0ang3el in XML/Java and been published even before and not after the advisory. The exploit is shared for download at github.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 120400 (Fedora 28 : 1:xmlrpc (2018-4ac4229aa8)), 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 277396 (Fedora Security Update for xmlrpc (FEDORA-2018-4ac4229aa8)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (120400) and SecurityFocus (BID 91736†). Entries connected to this vulnerability are available at VDB-90262 and VDB-90263. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: Connection
Class: Xml external entity reference / Connection
CWE: CWE-611 / CWE-610
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: 0ang3el
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 120400
Nessus Name: Fedora 28 : 1:xmlrpc (2018-4ac4229aa8)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

05/24/2016 🔍
07/07/2016 +44 days 🔍
07/08/2016 +1 days 🔍
07/12/2016 +4 days 🔍
07/23/2016 +11 days 🔍
10/27/2017 +461 days 🔍
06/02/2018 +218 days 🔍
01/03/2019 +215 days 🔍
09/09/2022 +1345 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: Beware of ws-xmlrpc library in your Java App
Researcher: 0ang3el
Status: Not defined

CVE: CVE-2016-5002 (🔍)
GCVE (CVE): GCVE-0-2016-5002
GCVE (VulDB): GCVE-100-90261
X-Force: 115042
SecurityFocus: 91736 - Apache XML-RPC Multiple Security Vulnerabilities
SecurityTracker: 1036294

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/23/2016 13:40
Updated: 09/09/2022 11:08
Changes: 07/23/2016 13:40 (67), 03/07/2019 23:34 (20), 09/09/2022 11:02 (5), 09/09/2022 11:08 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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