CVE-2018-17336 Memory corruption in n/a
Attackers can exploit a format string vulnerability in UDisks via malformed filesystem labels to leak stack contents or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-17336?
CVE-2018-17336 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 22 Sep 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-134
Which versions are affected by CVE-2018-17336?
It affects 2 products.
Linux distribution packages (30)
libudisks2 Red Hat:enterprise_linux:7::client | All versions | 0:2.7.3-9.el7 |
libudisks2-devel Red Hat:enterprise_linux:7::client | All versions | 0:2.7.3-9.el7 |
udisks2 Red Hat:enterprise_linux:7::client | All versions | 0:2.7.3-9.el7 |
udisks2-debuginfo Red Hat:enterprise_linux:7::client | All versions | 0:2.7.3-9.el7 |
udisks2-iscsi Red Hat:enterprise_linux:7::client | All versions | 0:2.7.3-9.el7 |
udisks2-lsm Red Hat:enterprise_linux:7::client | All versions | 0:2.7.3-9.el7 |
udisks2-lvm2 Red Hat:enterprise_linux:7::client | All versions | 0:2.7.3-9.el7 |
libudisks2 Red Hat:enterprise_linux:7::computenode | All versions | 0:2.7.3-9.el7 |
libudisks2-devel Red Hat:enterprise_linux:7::computenode | All versions | 0:2.7.3-9.el7 |
udisks2 Red Hat:enterprise_linux:7::computenode | All versions | 0:2.7.3-9.el7 |
udisks2-debuginfo Red Hat:enterprise_linux:7::computenode | All versions | 0:2.7.3-9.el7 |
udisks2-iscsi Red Hat:enterprise_linux:7::computenode | All versions | 0:2.7.3-9.el7 |
udisks2-lsm Red Hat:enterprise_linux:7::computenode | All versions | 0:2.7.3-9.el7 |
udisks2-lvm2 Red Hat:enterprise_linux:7::computenode | All versions | 0:2.7.3-9.el7 |
libudisks2 Red Hat:enterprise_linux:7::server | All versions | 0:2.7.3-9.el7 |
libudisks2-devel Red Hat:enterprise_linux:7::server | All versions | 0:2.7.3-9.el7 |
udisks2 Red Hat:enterprise_linux:7::server | All versions | 0:2.7.3-9.el7 |
udisks2-debuginfo Red Hat:enterprise_linux:7::server | All versions | 0:2.7.3-9.el7 |
udisks2-iscsi Red Hat:enterprise_linux:7::server | All versions | 0:2.7.3-9.el7 |
udisks2-lsm Red Hat:enterprise_linux:7::server | All versions | 0:2.7.3-9.el7 |
udisks2-lvm2 Red Hat:enterprise_linux:7::server | All versions | 0:2.7.3-9.el7 |
libudisks2 Red Hat:enterprise_linux:7::workstation | All versions | 0:2.7.3-9.el7 |
libudisks2-devel Red Hat:enterprise_linux:7::workstation | All versions | 0:2.7.3-9.el7 |
udisks2 Red Hat:enterprise_linux:7::workstation | All versions | 0:2.7.3-9.el7 |
udisks2-debuginfo Red Hat:enterprise_linux:7::workstation | All versions | 0:2.7.3-9.el7 |
udisks2-iscsi Red Hat:enterprise_linux:7::workstation | All versions | 0:2.7.3-9.el7 |
udisks2-lsm Red Hat:enterprise_linux:7::workstation | All versions | 0:2.7.3-9.el7 |
udisks2-lvm2 Red Hat:enterprise_linux:7::workstation | All versions | 0:2.7.3-9.el7 |
udisks2 SUSE:Linux Enterprise Module for Basesystem 15 | All versions | 2.6.5-3.7.2 |
udisks2 openSUSE:Tumbleweed | All versions | 2.9.2-1.6 |
Products include Canonical Ubuntu Linux, Freedesktop Udisks.
How do I fix CVE-2018-17336?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-17336 being exploited?
There is no known exploitation of CVE-2018-17336 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2018-17336, GHSA-wc77-2q7w-jfm4, RHSA-2019:2178, SUSE-SU-2018:3278-1, UBUNTU-CVE-2018-17336, USN-3772-1 and 1 more.