Ubuntu update for jackd2

1) Resource management error

EUVDB-ID: #VU67957

Risk: Medium

CVSSv4.0: [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-13351

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources in posix/JackSocket.cpp in libjack caused by a double file descriptor close issue during a failed connection attempt when jackd2 is not running. A remote attacker can gain access to sensitive information of corrupt files on the system, resulting in a DoS attack.

Mitigation

Update the affected package jackd2 to the latest version.

Vulnerable software versions

Ubuntu: 16.04

libjack-jackd2-0 (Ubuntu package): before 1.9.10+20150825git1ed50c92~dfsg1ubuntu1+esm1

jackd2-firewire (Ubuntu package): before 1.9.10+20150825git1ed50c92~dfsg1ubuntu1+esm1

jackd2 (Ubuntu package): before 1.9.10+20150825git1ed50c92~dfsg1ubuntu1+esm1

CPE2.3

• cpe:2.3:o:canonical:ubuntu:16.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:libjack-jackd2-0_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:o:canonical:jackd2-firewire_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:o:canonical:jackd2_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

http://ubuntu.com/security/notices/USN-5656-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.