BouncyCastle TLS prior to version 1.0.3, when configured to use the JCE (Java Cryptography Extension) for cryptographic functions, provides a weak Bleichenbacher oracle when any TLS cipher suite using RSA key exchange is negotiated. An attacker can recover the private key from a vulnerable application. This vulnerability is referred to as "ROBOT."
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2017-13098 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue affects the versions of bouncycastle as shipped with Red Hat Subscription Asset Manager version 1 and Satellite version 6. Red Hat Product Security has rated this issue as having Moderate security impact. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 6.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N |
| Attack Vector | Network |
| Attack Complexity | High |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity Impact | Low |
| Availability Impact | None |
| Platform | Package | State |
|---|---|---|
| Red Hat Virtualization 4 | eap7-bouncycastle | Not affected |
| Red Hat Subscription Asset Manager 1 | bouncycastle | Will not fix |
| Red Hat Software Collections for Red Hat Enterprise Linux | rh-eclipse46-bouncycastle | Not affected |
| Red Hat Single Sign-On 7 | bouncycastle | Not affected |
| Red Hat Satellite 6 | bouncycastle | Will not fix |
| Red Hat JBoss EAP 7 | bouncycastle | Not affected |
| Red Hat JBoss Data Virtualization 6 | bouncycastle | Not affected |
| Red Hat JBoss Data Grid 7 | bouncycastle | Not affected |
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