BouncyCastle JCE TLS Bleichenbacher/ROBOT
CVE-2017-13098

7.5HIGH

Key Information:

Vendor

Legion Of The Bouncy Castle

Status
Bouncycastle Tls
Vendor
CVE Published:
13 December 2017

What is CVE-2017-13098?

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."

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Deploy the Patch

Affected Version(s)

BouncyCastle TLS all <1.0.3

References

http://www.securityfocus.com/bid/102195
vdb-entryx_refsource_BID
http://www.kb.cert.org/vuls/id/144389
third-party-advisoryx_refsource_CERT-VN
https://www.debian.org/security/2017/dsa-4072
vendor-advisoryx_refsource_DEBIAN

EPSS Score

66% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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