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AUSCERT External Security Bulletin Redistribution
ESB-2019.3499
USN-4132-1: Expat vulnerability
13 September 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: Expat
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-15903
Reference: ESB-2019.3399
Original Bulletin:
https://usn.ubuntu.com/4132-1/
https://usn.ubuntu.com/4132-2/
Comment: This bulletin contains two (2) Ubuntu security advisories.
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USN-4132-1: Expat vulnerability
12 September 2019
expat vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 19.04
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Summary
Expat could be made to expose sensitive information if it received a specially
crafted XML file.
Software Description
o expat - XML parsing C library
Details
It was discovered that Expat incorrectly handled certain XML files. An attacker
could possibly use this issue to expose sensitive information.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 19.04
libexpat1 - 2.2.6-1ubuntu0.19.5
Ubuntu 18.04 LTS
libexpat1 - 2.2.5-3ubuntu0.2
Ubuntu 16.04 LTS
lib64expat1 - 2.1.0-7ubuntu0.16.04.5
libexpat1 - 2.1.0-7ubuntu0.16.04.5
To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .
In general, a standard system update will make all the necessary changes.
References
o CVE-2019-15903
- ---
USN-4132-2: Expat vulnerability
12 September 2019
expat vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 14.04 ESM
o Ubuntu 12.04 ESM
Summary
Expat could be made to expose sensitive information if it received a specially
crafted XML file.
Software Description
o expat - XML parsing C library
Details
USN-4132-1 fixed a vulnerability in Expat. This update provides the
corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that Expat incorrectly handled certain XML files. An attacker
could possibly use this issue to expose sensitive information.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 14.04 ESM
lib64expat1 - 2.1.0-4ubuntu1.4+esm2
libexpat1 - 2.1.0-4ubuntu1.4+esm2
Ubuntu 12.04 ESM
lib64expat1 - 2.0.1-7.2ubuntu1.7
libexpat1 - 2.0.1-7.2ubuntu1.7
To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .
In general, a standard system update will make all the necessary changes.
References
o USN-4132-1
o CVE-2019-15903
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