ESB-2018.2248 - [Ubuntu] clamav: Multiple vulnerabilities 2018-08-03

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.2248
                          ClamAV vulnerabilities
                               3 August 2018

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           clamav
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account   
                   Denial of Service               -- Unknown/Unspecified
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-14682 CVE-2018-14681 CVE-2018-14680
                   CVE-2018-14679  

Reference:         ESB-2018.2245

Original Bulletin: 
   https://usn.ubuntu.com/3728-1/
   https://usn.ubuntu.com/3728-2/
   https://usn.ubuntu.com/3728-3/

Comment: This bulletin contains three (3) Ubuntu security advisories.

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USN-3728-1: libmspack vulnerabilities

1 August 2018

libmspack vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

Ubuntu 18.04 LTS

Ubuntu 16.04 LTS

Summary

Several security issues were fixed in libmspack.

Software Description

libmspack - library for Microsoft compression formats

Details

Hanno Bck discovered that libmspack incorrectly handled certain CHM files. An
attacker could possibly use this issue to cause a denial of service. 
(CVE-2018-14679, CVE-2018-14680)

Jakub Wilk discovered that libmspack incorrectly handled certain KWAJ files. 
An attacker could possibly use this issue to execute arbitrary code. 
(CVE-2018-14681)

Dmitry Glavatskikh discovered that libmspack incorrectly certain CHM files. An
attacker could possibly use this issue to execute arbitrary code. 
(CVE-2018-14682)

Update instructions

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

Ubuntu 18.04 LTS

libmspack0 - 0.6-3ubuntu0.1

Ubuntu 16.04 LTS

libmspack0 - 0.5-1ubuntu0.16.04.2

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

CVE-2018-14679

CVE-2018-14680

CVE-2018-14681

CVE-2018-14682

- ---

USN-3728-2: ClamAV vulnerabilities

1 August 2018

clamav vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

Ubuntu 14.04 LTS

Summary

Several security issues were fixed in ClamAV.

Software Description

clamav - Anti-virus utility for Unix

Details

USN-3728-1 fixed several vulnerabilities in libmspack. In Ubuntu 14.04 
libmspack is included into ClamAV. This update provides the corresponding 
update for Ubuntu 14.04 LTS.

Original advisory details:

Hanno Bck discovered that libmspack incorrectly handled certain CHM files. An
attacker could possibly use this issue to cause a denial of service. 
(CVE-2018-14679, CVE-2018-14680)

Jakub Wilk discovered that libmspack incorrectly handled certain KWAJ files. 
An attacker could possibly use this issue to execute arbitrary code. 
(CVE-2018-14681)

Dmitry Glavatskikh discovered that libmspack incorrectly certain CHM files. An
attacker could possibly use this issue to execute arbitrary code. 
(CVE-2018-14682)

Update instructions

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

Ubuntu 14.04 LTS

clamav - 0.100.1+dfsg-1ubuntu0.14.04.3

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

USN-3728-1

CVE-2018-14679

CVE-2018-14680

CVE-2018-14681

CVE-2018-14682

- ---

USN-3728-3: ClamAV vulnerabilities

2 August 2018

clamav vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

Ubuntu 12.04 ESM

Summary

Several security issues were fixed in ClamAV.

Software Description

clamav - Anti-virus utility for Unix

Details

USN-3728-2 fixed several vulnerabilities in ClamAV. This update provides the 
corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

Hanno Bck discovered that libmspack incorrectly handled certain CHM files. An
attacker could possibly use this issue to cause a denial of service. 
(CVE-2018-14679, CVE-2018-14680)

Jakub Wilk discovered that libmspack incorrectly handled certain KWAJ files. 
An attacker could possibly use this issue to execute arbitrary code. 
(CVE-2018-14681)

Dmitry Glavatskikh discovered that libmspack incorrectly certain CHM files. An
attacker could possibly use this issue to execute arbitrary code. 
(CVE-2018-14682)

Update instructions

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

Ubuntu 12.04 ESM

clamav - 0.100.1+dfsg-1ubuntu0.12.04.3

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

USN-3728-1

CVE-2018-14679

CVE-2018-14680

CVE-2018-14681

CVE-2018-14682

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