Mini-XML 2.12 mxml-file.c mxml_write_node memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Mini-XML 2.12. This impacts the function mxml_write_node of the file mxml-file.c. The manipulation leads to memory corruption. This vulnerability is listed as CVE-2018-20004. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mini-XML 2.12. It has been rated as critical. This issue affects the function mxml_write_node of the file mxml-file.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue has been found in Mini-XML (aka mxml) 2.12. It is a stack-based buffer overflow in mxml_write_node in mxml-file.c via vectors involving a double-precision floating point number and the '<order type="real">' substring, as demonstrated by testmxml.

The bug was discovered 12/10/2018. The weakness was presented 12/10/2018 by Gustavo Grieco (Website). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2018-20004 since 12/10/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 121397 (Debian DLA-1641-1 : mxml 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 176717 (Debian Security Update for mxml (DLA 1641-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (121397) and SecurityFocus (BID 90315†). See VDB-96526 and VDB-96527 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 121397
Nessus Name: Debian DLA-1641-1 : mxml security update
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

05/07/2016 🔍
12/10/2018 +947 days 🔍
12/10/2018 +0 days 🔍
12/10/2018 +0 days 🔍
12/10/2018 +0 days 🔍
12/10/2018 +0 days 🔍
01/25/2019 +46 days 🔍
01/28/2019 +3 days 🔍
06/13/2023 +1597 days 🔍

Sourcesinfo

Advisory: 233
Researcher: Gustavo Grieco
Status: Confirmed

CVE: CVE-2018-20004 (🔍)
GCVE (CVE): GCVE-0-2018-20004
GCVE (VulDB): GCVE-100-127763
SecurityFocus: 90315 - Mini-XML Stack Exhaustion Multiple Denial of Service Vulnerabilities

See also: 🔍

Entryinfo

Created: 12/10/2018 15:48
Updated: 06/13/2023 21:03
Changes: 12/10/2018 15:48 (72), 04/19/2020 12:37 (6), 06/13/2023 20:56 (4), 06/13/2023 21:03 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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