CVE-2018-17336
First published: Sat Sep 22 2018(Updated: )
UDisks 2.8.0 has a format string vulnerability in udisks_log in udiskslogging.c, allowing attackers to obtain sensitive information (stack contents), cause a denial of service (memory corruption), or possibly have unspecified other impact via a malformed filesystem label, as demonstrated by %d or %n substrings.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Freedesktop Udisks | =2.8.0 | |
| Canonical Ubuntu Linux | =18.04 | |
| debian/udisks2 | 2.8.1-4 2.8.1-4+deb10u2 2.9.2-2+deb11u1 2.9.4-4 2.10.1-5 | |
| ubuntu/udisks2 | <2.7.6-3ubuntu0.2 | 2.7.6-3ubuntu0.2 |
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Reference Links
- https://github.com/storaged-project/udisks/issues/578
- https://usn.ubuntu.com/3772-1/
- https://access.redhat.com/errata/RHSA-2019:2178
- https://launchpad.net/bugs/cve/CVE-2018-17336
- https://github.com/pothos/udisks/commit/e369a9b4b08e9373c814c05328b366c938284eb5
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1632829
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1632830
- https://errata.devel.redhat.com/advisory/43919
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1632828#c10
- https://access.redhat.com/security/cve/cve-2018-17336
- https://bugzilla.redhat.com/show_bug.cgi?id=1632828
- https://github.com/storaged-project/udisks/commit/e369a9b4b08e9373c814c05328b366c938284eb5
- https://github.com/storaged-project/udisks/commit/ad2ce6714e911be58011dd6b838ec0f6fd0f950f
- https://security-tracker.debian.org/tracker/CVE-2018-17336
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17336
- https://ubuntu.com/security/notices/USN-3772-1
- https://nvd.nist.gov/vuln/detail/CVE-2018-17336
- https://ubuntu.com/security/CVE-2018-17336
Frequently Asked Questions
What is CVE-2018-17336?
CVE-2018-17336 is a format string vulnerability in UDisks 2.8.0 that allows attackers to obtain sensitive information, cause a denial of service, or have other unspecified impact.
What is the severity of CVE-2018-17336?
The severity of CVE-2018-17336 is high, with a CVSS score of 7.8.
How can attackers exploit CVE-2018-17336?
Attackers can exploit CVE-2018-17336 by using a malformed filesystem label with format string specifiers such as %d or %n.
What is the affected software?
The affected software includes UDisks 2.8.0 on Ubuntu 18.04 LTS and UDisks 2.8.0 on Canonical Ubuntu Linux. The exact versions may vary.
How can I fix CVE-2018-17336?
To fix CVE-2018-17336, it is recommended to update UDisks to version 2.8.1-4 or later.
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