CVE-2018-1000613: bouncycastle bc-java Unsafe Reflection

Vulnerability summary

CVE-2018-1000613 is a critical (CVSS 9.8) Unsafe Reflection vulnerability in bouncycastle bc-java. EPSS estimates a 4.77% chance of exploitation in the next 30 days, higher than 91.7% of scored vulnerabilities.

Timeline

1. 09-07-2018
   PublishedVulnerability first disclosed.
2. 14-11-2024
   Last modifiedVulnerability information updated.

Description

Legion of the Bouncy Castle Legion of the Bouncy Castle Java Cryptography APIs 1.58 up to but not including 1.60 contains a CWE-470: Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in XMSS/XMSS^MT private key deserialization that can result in Deserializing an XMSS/XMSS^MT private key can result in the execution of unexpected code. This attack appear to be exploitable via A handcrafted private key can include references to unexpected classes which will be picked up from the class path for the executing application. This vulnerability appears to have been fixed in 1.60 and later.

• CWE-470Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')The product uses external input with reflection to select which classes or code to use, but it does not sufficiently prevent the input from selecting improper classes or code.