CVE-2017-12618 Denial of service in Apache Portable Runtime

Medium 4.7 Published 24 Oct 2017 Updated 5 Aug 2024

A local attacker with write access to SDBM database files can cause a denial of service via out-of-bounds read in APR-util.

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-2017-12618?

CVE-2017-12618 is a medium-severity denial of service vulnerability in Apache Portable Runtime, published on 24 Oct 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Apache Portable Runtime Utility (APR-util) 1.6.0 and prior fail to validate the integrity of SDBM database files used by apr_sdbm*() functions, resulting in a possible out of bound read access. A local user with write access to the database can make a program or process using these functions crash, and cause a denial of service.

Weakness: CWE-125

Which versions are affected by CVE-2017-12618?

It affects 1 product.

Linux distribution packages (12)

`libapr-util1` SUSE:Linux Enterprise Server 11 SP4	All versions	`1.3.4-12.22.23.3.2`
`libapr-util1` SUSE:Linux Enterprise Server 12 SP2	All versions	`1.5.3-2.3.1`
`libapr-util1` SUSE:Linux Enterprise Server 12 SP3	All versions	`1.5.3-2.3.1`
`libapr-util1` SUSE:Linux Enterprise Server for Raspberry Pi 12 SP2	All versions	`1.5.3-2.3.1`
`libapr-util1` SUSE:Linux Enterprise Server for SAP Applications 11 SP4	All versions	`1.3.4-12.22.23.3.2`
`libapr-util1` SUSE:Linux Enterprise Server for SAP Applications 12 SP2	All versions	`1.5.3-2.3.1`
`libapr-util1` SUSE:Linux Enterprise Server for SAP Applications 12 SP3	All versions	`1.5.3-2.3.1`
`libapr-util1` SUSE:Linux Enterprise Software Development Kit 11 SP4	All versions	`1.3.4-12.22.23.3.2`
`libapr-util1` SUSE:Linux Enterprise Software Development Kit 12 SP2	All versions	`1.5.3-2.3.1`
`libapr-util1` SUSE:Linux Enterprise Software Development Kit 12 SP3	All versions	`1.5.3-2.3.1`
`libapr-util1` SUSE:Studio Onsite 1.3	All versions	`1.3.4-12.22.23.3.2`
`apr-util` openSUSE:Tumbleweed	All versions	`1.6.1-7.8`

Products include Apache Portable Runtime Utility.

How do I fix CVE-2017-12618?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2017-12618 being exploited?

There is no known exploitation of CVE-2017-12618 in the wild and no public exploit code.

CVE-2022-25147 Apache Portable Runtime Utility (APR-util): out-of-bounds writes in the apr_base64 family of functions Medium 6.5

Sources

Also known as DEBIAN-CVE-2017-12618, DLA-1163-1, GHSA-cxw3-v6f8-2cpm, MGASA-2017-0427, SUSE-SU-2017:3278-1, SUSE-SU-2018:0307-1 and 3 more.