CVE-2019-12422 Improper input validation in Apache Shiro
An attacker can exploit a padding attack on default remember-me cookies to bypass authentication in Apache Shiro.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-12422?
CVE-2019-12422 is a high-severity vulnerability in Apache Shiro, published on 18 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Apache Shiro before 1.4.2, when using the default "remember me" configuration, cookies could be susceptible to a padding attack.
Which versions are affected by CVE-2019-12422?
2 open source packages ship an affected version, including org.apache.shiro:shiro-core. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.shiro:shiro-core Maven | All versions | 1.4.2 |
org.apache.shiro:shiro-core Maven | All versions | 1.4.2 |
Products include Apache Shiro.
How do I fix CVE-2019-12422?
Upgrade org.apache.shiro:shiro-core to 1.4.2 or later.
Is CVE-2019-12422 being exploited?
There is no known exploitation of CVE-2019-12422 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Apache Shiro
- CVE-2023-34478 Path Traversal in Apache Shiro
- CVE-2022-40664 Authentication Bypass Vulnerability in Shiro when forwarding or including via RequestDispatcher
- CVE-2022-32532 Authentication Bypass Vulnerability
- CVE-2021-41303 Apache Shiro vulnerable to a specially crafted HTTP request causing an authentication bypass
- CVE-2020-17523 Authentication bypass in Apache Shiro
Sources
Also known as DEBIAN-CVE-2019-12422, GHSA-r679-m633-g7wc, UBUNTU-CVE-2019-12422.