CVE Vulnerabilities

CVE-2018-1000613

Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')

Published: Jul 09, 2018 | Modified: Jan 25, 2024
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
4.9 MODERATE
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Ubuntu
MEDIUM

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.

Weakness

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.

Affected Software

Name Vendor Start Version End Version
Legion-of-the-bouncy-castle-java-crytography-api Bouncycastle 1.58 (including) 1.60 (excluding)
Bouncycastle Ubuntu artful *
Bouncycastle Ubuntu bionic *
Bouncycastle Ubuntu esm-apps/bionic *
Bouncycastle Ubuntu upstream *

Potential Mitigations

References