Umlet up to 14.2 UXF File Request xml external entity reference

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Umlet up to 14.2. The affected element is an unknown function of the component UXF File Handler. Performing a manipulation as part of Request results in xml external entity reference. This vulnerability is identified as CVE-2018-1000548. The attack is only possible with local access. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Umlet up to 14.2. This affects some unknown functionality of the component UXF File Handler. The manipulation as part of a Request 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:

Umlet version < 14.3 contains a XML External Entity (XXE) vulnerability in File parsing that can result in disclosure of confidential data, denial of service, server side request forgery. This attack appear to be exploitable via Specially crafted UXF file. This vulnerability appears to have been fixed in 14.3.

The bug was discovered 04/04/2018. The weakness was released 06/26/2018 (Website). The advisory is shared at 0dd.zone. This vulnerability is uniquely identified as CVE-2018-1000548 since 06/22/2018. 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. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 83 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 14.3 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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: Xml external entity reference
CWE: CWE-611 / CWE-610
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Umlet 14.3

Timelineinfo

04/04/2018 🔍
06/22/2018 +79 days 🔍
06/26/2018 +3 days 🔍
06/26/2018 +0 days 🔍
06/27/2018 +1 days 🔍
03/29/2023 +1736 days 🔍

Sourcesinfo

Advisory: 500
Status: Not defined

CVE: CVE-2018-1000548 (🔍)
GCVE (CVE): GCVE-0-2018-1000548
GCVE (VulDB): GCVE-100-119961

Entryinfo

Created: 06/27/2018 10:07
Updated: 03/29/2023 08:19
Changes: 06/27/2018 10:07 (59), 02/22/2020 15:01 (1), 03/29/2023 08:19 (4)
Complete: 🔍
Cache ID: 216::103

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