CVE-2019-17359 Out-of-Memory Error in Bouncy Castle Crypto

What is CVE-2019-17359?

CVE-2019-17359 is a high-severity denial of service vulnerability in Bouncycastle Bc-Java, published on 8 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The ASN.1 parser in Bouncy Castle Crypto (aka BC Java) 1.63 can trigger a large attempted memory allocation, and resultant OutOfMemoryError error, via crafted ASN.1 data. This is fixed in 1.64.

Weakness: CWE-770

Which versions are affected by CVE-2019-17359?

2 open source packages ship an affected version, including org.bouncycastle:bcprov-jdk14. It affects 21 products.

Products include Apache Tomee, Bouncycastle Bc-Java, Netapp Active Iq Unified Manager, Netapp Oncommand Api Services, Netapp Oncommand Workflow Automation, Netapp Service Level Manager and 15 more.

How do I fix CVE-2019-17359?

Upgrade org.bouncycastle:bcprov-jdk14 to 1.64 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-2019-17359 being exploited?

There is no known exploitation of CVE-2019-17359 in the wild and no public exploit code.

Other vulnerabilities in Bouncycastle Bc-Java

• CVE-2020-13931 Remote code execution in Apache TomEE Critical 9.8
• CVE-2020-11969 Missing Authentication for Critical Function in Apache TomEE Critical 9.8
• CVE-2019-13990 XML external entity injection in Terracotta Quartz Scheduler Critical 9.8
• CVE-2016-0779 Deserialization in n/a Critical 9.8
• CVE-2018-8031 Apache TomEE console vulnerable to Cross-site Scripting Medium 6.1

All Bouncycastle Bc-Java vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-2mh8-gx2m-mr75.