CVE-2023-3894 DOS in jackson-dataformats-text
Attackers can cause a denial of service via stack overflow when parsing malicious TOML data using the jackson-dataformats-text 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-2023-3894?
CVE-2023-3894 is a medium-severity denial of service vulnerability in FasterXML jackson-dataformats-text, published on 8 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Those using jackson-dataformats-text to parse TOML data may be vulnerable to Denial of Service attacks (DOS). If the parser is running on user supplied input, an attacker may supply content that causes the parser to crash by stackoverflow. This effect may support a denial of service attack.
Which versions are affected by CVE-2023-3894?
2 open source packages ship an affected version, including com.fasterxml.jackson.dataformat:jackson-dataformat-toml. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
com.fasterxml.jackson.dataformat:jackson-dataformat-toml Maven | All versions | 2.15.0 |
com.fasterxml.jackson.dataformat:jackson-dataformat-toml Maven | All versions | 2.15.0 |
Products include Fasterxml Jackson-Dataformats-Text.
How do I fix CVE-2023-3894?
Upgrade com.fasterxml.jackson.dataformat:jackson-dataformat-toml to 2.15.0 or later.
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-2023-3894 being exploited?
There is no known exploitation of CVE-2023-3894 in the wild and no public exploit code.
Sources
Also known as GHSA-rg2c-cfxv-qp6f, ROOT-APP-MAVEN-CVE-2023-3894.