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Mageia: 2019-0159 Moderate: mxml Buffer Overflow and DoS Risk

mageia
Calendar Grey May 12, 2019
Dist Mageia Esm H88
Revised mxml libraries tackle vulnerabilities in Mageia impacting Mini-XML and address stack-related buffer overflow problems.
Updated mxml packages fix security vulnerabilities: An issue has been found in Mini-XML (aka mxml) 2.12

Summary

Updated mxml packages fix security vulnerabilities:
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 '' substring, as demonstrated by testmxml (CVE-2018-20004).
An issue has been found in Mini-XML (aka mxml) 2.12. It is a use-after-free in mxmlWalkNext in mxml-search.c, as demonstrated by mxmldoc (CVE-2018-20005).
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 (CVE-2018-20592).
In Mini-XML (aka mxml) v2.12, there is stack-based buffer overflow in the scan_file function in mxmldoc.c (CVE-2018-20593).

References

- https://bugs.mageia.org/show_bug.cgi?id=24583

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/N53IJHDYR5HVQLKH4J6B27OEQLGKSGY5/

- https://www.cve.org/CVERecord?id=CVE-2018-20004

- https://www.cve.org/CVERecord?id=CVE-2018-20005

- https://www.cve.org/CVERecord?id=CVE-2018-20592

- https://www.cve.org/CVERecord?id=CVE-2018-20593

Resolution

SRPMS

- 6/core/mxml-3.0-1.mga6

Severity
important
Lowest
Low
Medium
High
Critical

Publication date: 12 May 2019
URL: https://advisories.mageia.org/MGASA-2019-0159.html
Type: security
CVE: CVE-2018-20004, CVE-2018-20005, CVE-2018-20592, CVE-2018-20593

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