CVE-2018-14721 Server-Side Request Forgery (SSRF) in jackson-databind
Remote attackers can perform Server-Side Request Forgery attacks by exploiting unsafe polymorphic deserialization in the jackson-databind library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-14721?
CVE-2018-14721 is a critical server-side request forgery vulnerability in Debian Debian Linux, published on 2 Jan 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
FasterXML jackson-databind 2.x before 2.9.7 might allow remote attackers to conduct server-side request forgery (SSRF) attacks by leveraging failure to block the axis2-jaxws class from polymorphic deserialization.
Weakness: CWE-918
Which versions are affected by CVE-2018-14721?
6 open source packages ship an affected version, including com.fasterxml.jackson.core:jackson-databind. It affects 12 products.
| Package | Affected | Fixed in |
|---|---|---|
com.fasterxml.jackson.core:jackson-databind Maven | From 2.7.0 | 2.7.9.5 |
com.fasterxml.jackson.core:jackson-databind Maven | From 2.7.0 | 2.7.9.5 |
com.fasterxml.jackson.core:jackson-databind Maven | From 2.8.0 | 2.8.11.3 |
com.fasterxml.jackson.core:jackson-databind Maven | From 2.8.0 | 2.8.11.3 |
com.fasterxml.jackson.core:jackson-databind Maven | From 2.9.0 | 2.9.7 |
com.fasterxml.jackson.core:jackson-databind Maven | From 2.9.0 | 2.9.7 |
Products include Debian Debian Linux, Fasterxml Jackson-Databind, Oracle Banking Platform, Oracle Communications Billing and Revenue Management, Oracle Enterprise Manager for Virtualization, Oracle Financial Services Analytical Applications Infrastructure and 6 more.
How do I fix CVE-2018-14721?
Upgrade com.fasterxml.jackson.core:jackson-databind to a fixed version for your release line: 2.7.9.5, 2.8.11.3 or 2.9.7.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2018-14721 being exploited?
There is no known exploitation of CVE-2018-14721 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as CLEANSTART-2026-WO77133, DEBIAN-CVE-2018-14721, GHSA-9mxf-g3x6-wv74, UBUNTU-CVE-2018-14721.