OSV-2022-431 Uncaught exception in com.ctc.wstx.dtd.FullDTDReader.readContentSpec
An attacker can cause a denial of service by triggering an uncaught exception in the Woodstox XML parser's DTD reader.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2022-431?
OSV-2022-431 is a denial of service vulnerability in xstream, published on 26 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=47616
Crash type: Uncaught exception
Crash state:
com.ctc.wstx.dtd.FullDTDReader.readContentSpec
java.base/jdk.internal.org.objectweb.asm.SymbolTable$Entry.<init>
java.base/jdk.internal.org.objectweb.asm.SymbolTable.addConstantUtf8
Which versions are affected by OSV-2022-431?
1 open source package ship an affected version, including xstream.
| Package | Affected | Fixed in |
|---|---|---|
xstream OSS-Fuzz | All versions | None |
How do I fix OSV-2022-431?
No fix has been published for OSV-2022-431 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is OSV-2022-431 being exploited?
There is no known exploitation of OSV-2022-431 in the wild and no public exploit code.