CVE-2018-1160 Memory corruption in Netatalk

Critical 9.8 Published Updated

A remote unauthenticated attacker can achieve arbitrary code execution via an out-of-bounds write in Netatalk due to missing bounds checking.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2018-1160?

CVE-2018-1160 is a critical memory corruption vulnerability in Debian Debian Linux, published on 20 Dec 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Netatalk before 3.1.12 is vulnerable to an out of bounds write in dsi_opensess.c. This is due to lack of bounds checking on attacker controlled data. A remote unauthenticated attacker can leverage this vulnerability to achieve arbitrary code execution.

Weakness: CWE-787

Which versions are affected by CVE-2018-1160?

It affects 6 products.

Linux distribution packages (7)
netatalk SUSE:Linux Enterprise Desktop 12 SP3All versions3.1.0-3.3.1
netatalk SUSE:Linux Enterprise Desktop 12 SP4All versions3.1.0-3.3.1
netatalk SUSE:Linux Enterprise Software Development Kit 11 SP4All versions2.0.3-249.23.3.1
netatalk SUSE:Linux Enterprise Software Development Kit 12 SP3All versions3.1.0-3.3.1
netatalk SUSE:Linux Enterprise Software Development Kit 12 SP4All versions3.1.0-3.3.1
netatalk SUSE:Linux Enterprise Workstation Extension 12 SP3All versions3.1.0-3.3.1
netatalk SUSE:Linux Enterprise Workstation Extension 12 SP4All versions3.1.0-3.3.1

Products include Debian Debian Linux, Netatalk Netatalk, Synology Diskstation Manager, Synology Router Manager, Synology Skynas, Synology Vs960hd Firmware.

How do I fix CVE-2018-1160?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-1160 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-1160 exists.

Public exploit code: 3 Exploit-DB entries and 1 proofs of concept on GitHub.

All Debian Debian Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2018-1160, DSA-4356-1, GHSA-j675-7hvj-qfw5, MGASA-2019-0061, SUSE-SU-2018:4214-1, SUSE-SU-2018:4217-1 and 1 more.

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