Vulnerability identifier: #VU85887

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-17336

CWE-ID: CWE-134

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
udisks
Other software / Other software solutions

Vendor: Freedesktop.org

Description

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to a format string error in udisks_log in udiskslogging.c. A local user can supply a specially crafted input that contains format string specifiers to obtain sensitive information (stack contents), cause a denial of service (memory corruption), or possibly have unspecified other impact via a malformed filesystem label.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

udisks: 2.8.0

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External links
http://access.redhat.com/errata/RHSA-2019:2178
http://github.com/storaged-project/udisks/issues/578
http://usn.ubuntu.com/3772-1/

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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