VDB-128379 · CVE-2018-20433 · Qualys 176793

c2p0 0.9.5.2 C3P0ConfigXmlUtils.java extractXmlConfigFromInputStream xml external entity reference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

A vulnerability, which was classified as critical, was found in c2p0 0.9.5.2. This affects the function extractXmlConfigFromInputStream of the file com/mchange/v2/c3p0/cfg/C3P0ConfigXmlUtils.java. The manipulation with an unknown input leads to a xml external entity reference vulnerability. 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:

c3p0 0.9.5.2 allows XXE in extractXmlConfigFromInputStream in com/mchange/v2/c3p0/cfg/C3P0ConfigXmlUtils.java during initialization.

The bug was discovered 12/20/2018. The weakness was shared 12/24/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2018-20433 since 12/24/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 119941 (Debian DLA-1621-1 : c3p0 security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176793 (Debian Security Update for c3p0 (DLA 1621-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (119941).

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 119941
Nessus Name: Debian DLA-1621-1 : c3p0 security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Patch: github.com

Timelineinfo

12/20/2018 🔍
12/24/2018 +4 days 🔍
12/24/2018 +0 days 🔍
12/24/2018 +0 days 🔍
12/25/2018 +1 days 🔍
12/28/2018 +3 days 🔍
12/31/2018 +3 days 🔍
06/20/2023 +1632 days 🔍

Sourcesinfo

Advisory: 2eb0ea97f745740b18dd45e4a909112d4685f87b
Status: Not defined

CVE: CVE-2018-20433 (🔍)

Entryinfo

Created: 12/25/2018 10:35
Updated: 06/20/2023 20:07
Changes: 12/25/2018 10:35 (70), 04/24/2020 08:33 (3), 06/20/2023 19:59 (5), 06/20/2023 20:07 (1)
Complete: 🔍
Cache ID: 3:8B4:103

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