USN-3394-1: libmspack vulnerabilities

Releases

• Ubuntu 17.04
• Ubuntu 16.04 ESM

Packages

• libmspack - library for Microsoft compression formats

Details

It was discovered that libmspack incorrectly handled certain malformed CHM
files. A remote attacker could use this issue to cause libmspack to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2017-6419)

It was discovered that libmspack incorrectly handled certain malformed CAB
files. A remote attacker could use this issue to cause libmspack to crash,
resulting in a denial of service. (CVE-2017-6419)

Update instructions

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

Ubuntu 17.04

• libmspack0 - 0.5-1ubuntu0.17.04.1

Ubuntu 16.04

• libmspack0 - 0.5-1ubuntu0.16.04.1

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

References

• CVE-2017-11423
• CVE-2017-6419

Related notices

• USN-3393-2: clamav
• USN-3393-1: clamav-testfiles, clamav-freshclam, clamav, clamdscan, libclamav7, clamav-daemon, libclamav-dev, clamav-milter, clamav-base, clamav-docs