CVE-2017-7525 jackson-databind is vulnerable to a deserialization flaw
An unauthenticated attacker can execute arbitrary code by sending malicious input to the ObjectMapper readValue method in jackson-databind.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-7525?
CVE-2017-7525 is a critical unsafe deserialization vulnerability in Debian Debian Linux, published on 6 Feb 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A deserialization flaw was discovered in the jackson-databind, versions before 2.6.7.1, 2.7.9.1 and 2.8.9, which could allow an unauthenticated user to perform code execution by sending the maliciously crafted input to the readValue method of the ObjectMapper.
Which versions are affected by CVE-2017-7525?
6 open source packages ship an affected version, including com.fasterxml.jackson.core:jackson-databind. It affects 21 products.
| Package | Affected | Fixed in |
|---|---|---|
com.fasterxml.jackson.core:jackson-databind Maven | All versions | 2.6.7.1 |
com.fasterxml.jackson.core:jackson-databind Maven | All versions | 2.6.7.1 |
com.fasterxml.jackson.core:jackson-databind Maven | From 2.7.0 | 2.7.9.1 |
com.fasterxml.jackson.core:jackson-databind Maven | From 2.7.0 | 2.7.9.1 |
com.fasterxml.jackson.core:jackson-databind Maven | From 2.8.0 | 2.8.9 |
com.fasterxml.jackson.core:jackson-databind Maven | From 2.8.0 | 2.8.9 |
Linux distribution packages (6)
devtoolset-4-jackson-databind Red Hat:rhel_software_collections:2::el6 | All versions | 0:2.5.0-2.4.el6 |
devtoolset-4-jackson-databind-javadoc Red Hat:rhel_software_collections:2::el6 | All versions | 0:2.5.0-2.4.el6 |
devtoolset-4-jackson-databind Red Hat:rhel_software_collections:2::el7 | All versions | 0:2.5.0-2.4.el7 |
devtoolset-4-jackson-databind-javadoc Red Hat:rhel_software_collections:2::el7 | All versions | 0:2.5.0-2.4.el7 |
rh-eclipse46-jackson-databind Red Hat:rhel_software_collections:2::el7 | All versions | 0:2.6.3-2.3.el7 |
rh-eclipse46-jackson-databind-javadoc Red Hat:rhel_software_collections:2::el7 | All versions | 0:2.6.3-2.3.el7 |
Products include Debian Debian Linux, Fasterxml Jackson-Databind, Netapp Oncommand Balance, Netapp Oncommand Performance Manager, Netapp Oncommand Shift, Netapp Snapcenter and 15 more.
How do I fix CVE-2017-7525?
Upgrade com.fasterxml.jackson.core:jackson-databind to a fixed version for your release line: 2.6.7.1, 2.7.9.1 or 2.8.9.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2017-7525 being exploited?
There is no known exploitation of CVE-2017-7525 in the wild and no public exploit code.
Public exploit code: 5 proofs of concept on GitHub.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as CLEANSTART-2026-NM36823, DEBIAN-CVE-2017-7525, DSA-4004-1, GHSA-qxxx-2pp7-5hmx, MGASA-2017-0255, RHSA-2017:1839 and 3 more.