CVE-2017-13098

high-risk
Published 2017-12-13

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."

Do I need to act?

!
66.2% chance of exploitation in next 30 days
EPSS score — higher than 34% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

Bc-Java

Affected Vendors

Bouncycastle

References (16)

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00011.html
Issue Tracking http://www.kb.cert.org/vuls/id/144389
Third Party Advisory http://www.securityfocus.com/bid/102195
Issue Tracking https://github.com/bcgit/bc-java/commit/a00b684465b38d722ca9a3543b8af8568e6bad5c
Issue Tracking https://robotattack.org/
Issue Tracking https://security.netapp.com/advisory/ntap-20171222-0001/
Issue Tracking https://www.debian.org/security/2017/dsa-4072
https://www.oracle.com/security-alerts/cpuoct2020.html
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00011.html
Issue Tracking http://www.kb.cert.org/vuls/id/144389
Third Party Advisory http://www.securityfocus.com/bid/102195
Issue Tracking https://github.com/bcgit/bc-java/commit/a00b684465b38d722ca9a3543b8af8568e6bad5c
Issue Tracking https://robotattack.org/
Issue Tracking https://security.netapp.com/advisory/ntap-20171222-0001/
Issue Tracking https://www.debian.org/security/2017/dsa-4072
https://www.oracle.com/security-alerts/cpuoct2020.html
50
/ 100
high-risk
Severity 26/34 · High
Exploitability 19/34 · Moderate
Exposure 5/34 · Minimal