Mini-XML 2.12 mxml-node.c mxmlAdd XML File use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Mini-XML 2.12 and classified as critical. The affected element is the function mxmlAdd of the file mxml-node.c. Such manipulation as part of XML File leads to use after free. This vulnerability is uniquely identified as CVE-2018-20592. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Mini-XML 2.12 and classified as critical. Affected by this issue is the function mxmlAdd of the file mxml-node.c. The manipulation as part of a XML File leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In Mini-XML (aka mxml) v2.12, there is a use-after-free in the mxmlAdd function of the mxml-node.c file. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted xml file, as demonstrated by mxmldoc.

The bug was discovered 12/13/2018. The weakness was disclosed 12/30/2018 (Website). The advisory is shared for download at github.com. This vulnerability is handled as CVE-2018-20592 since 12/30/2018. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 17 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entry VDB-128553 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 5.5
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: Use after free
CWE: CWE-416 / CWE-119
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/13/2018 🔍
12/30/2018 +17 days 🔍
12/30/2018 +0 days 🔍
12/30/2018 +0 days 🔍
12/31/2018 +1 days 🔍
06/22/2023 +1634 days 🔍

Sourcesinfo

Advisory: 237
Status: Not defined

CVE: CVE-2018-20592 (🔍)
GCVE (CVE): GCVE-0-2018-20592
GCVE (VulDB): GCVE-100-128552
See also: 🔍

Entryinfo

Created: 12/31/2018 15:37
Updated: 06/22/2023 14:31
Changes: 12/31/2018 15:37 (59), 04/25/2020 10:27 (1), 06/22/2023 14:29 (3), 06/22/2023 14:31 (1)
Complete: 🔍
Cache ID: 216::103

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