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Ubuntu: 6579-1 Moderate: Xerces-C++ DoS and Code Execution Risk

ubuntu
Calendar Grey January 11, 2024
Dist Ubuntu Esm H88
An exploit found in Xerces-C++ on Ubuntu introduces potential threats for denial of service and unauthorized execution of code.
Xerces-C++ could be made to crash or run programs if it opened a specially crafted file.

Summary

Xerces-C++ could be made to crash or run programs if it opened a specially

crafted file.

Software Description:

- xerces-c: Validating XML parser written in a portable subset of C++

Details:

It was discovered that Xerces-C++ was not properly handling memory

management operations when parsing XML data containing external DTDs,

which could trigger a use-after-free error. If a user or automated system

were tricked into processing a specially crafted XML document, an attacker

could possibly use this issue to cause a denial of service or execute

arbitrary code.

Topics%20covered

Topics Covered

security advisory denial of service memory management ubuntu attack vector xerces-c

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
libxerces-c-samples 3.2.0+debian-2ubuntu0.1~esm2
libxerces-c3.2 3.2.0+debian-2ubuntu0.1~esm2

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
libxerces-c-samples 3.1.3+debian-1ubuntu0.1~esm2
libxerces-c3.1 3.1.3+debian-1ubuntu0.1~esm2

Ubuntu 14.04 LTS (Available with Ubuntu Pro):
libxerces-c-samples 3.1.1-5.1+deb8u4ubuntu0.1~esm1
libxerces-c3.1 3.1.1-5.1+deb8u4ubuntu0.1~esm1

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6579-1

CVE-2018-1311

Ubuntu Security Notice USN-6579-1

Topics%20covered

Topics Covered

security advisory denial of service memory management ubuntu attack vector xerces-c

Package Information

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