CVE-2018-20593 : In Mini-XML (aka mxml) v2.12, there is stack-based buffer overflow in the scan

In Mini-XML (aka mxml) v2.12, there is stack-based buffer overflow in the scan_file function in mxmldoc.c.

Published 2018-12-30 18:29:01

Updated 2020-08-24 17:37:01

Source MITRE

View at NVD, CVE.org

Vulnerability category: OverflowMemory Corruption

Products affected by CVE-2018-20593

Fedoraproject » Fedora » Version: 28
cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 29
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
Matching versions
Msweet » Mini-xml » Version: 2.12
cpe:2.3:a:msweet:mini-xml:2.12:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.21%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 59 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:N/A:P	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
5.5	MEDIUM	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

https://github.com/ntu-sec/pocs/blob/master/mxml-53c75b0/crashes/so_mxmldoc.c:2987_1.txt.err

pocs/so_mxmldoc.c:2987_1.txt.err at master · ntu-sec/pocs · GitHub
Exploit;Third Party Advisory
https://github.com/michaelrsweet/mxml/issues/237

Multiple crashes when feeding mxmldoc bogus source files · Issue #237 · michaelrsweet/mxml · GitHub
Third Party Advisory

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N53IJHDYR5HVQLKH4J6B27OEQLGKSGY5/

[SECURITY] Fedora 28 Update: mxml-3.0-1.fc28 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RNWF6BAU7S42O4LE4B74KIMHFE2HDNMI/

[SECURITY] Fedora 29 Update: mxml-3.0-1.fc29 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory

CVEs referencing this url
https://github.com/ntu-sec/pocs/blob/master/mxml-53c75b0/crashes/so_mxmldoc.c:2971_1.txt.err

pocs/so_mxmldoc.c:2971_1.txt.err at master · ntu-sec/pocs · GitHub
Exploit;Third Party Advisory

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