Vulnerability Monitor

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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."

Published

2017-12-13T01:29:00.280

Last Modified

2025-05-12T17:37:16.527

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-203
Type: Primary
CWE-203

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	bouncycastle	bc-java	< 1.59	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00011.html ([email protected])
http://www.kb.cert.org/vuls/id/144389 Issue Tracking, Mitigation, Third Party Advisory, US Government Resource ([email protected])
http://www.securityfocus.com/bid/102195 Third Party Advisory, VDB Entry ([email protected])
https://github.com/bcgit/bc-java/commit/a00b684465b38d722ca9a3543b8af8568e6bad5c Issue Tracking, Patch, Third Party Advisory ([email protected])
https://robotattack.org/ Issue Tracking, Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20171222-0001/ Issue Tracking, Third Party Advisory ([email protected])
https://www.debian.org/security/2017/dsa-4072 Issue Tracking, Third Party Advisory ([email protected])
https://www.oracle.com/security-alerts/cpuoct2020.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00011.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.kb.cert.org/vuls/id/144389 Issue Tracking, Mitigation, Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/102195 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/bcgit/bc-java/commit/a00b684465b38d722ca9a3543b8af8568e6bad5c Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://robotattack.org/ Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20171222-0001/ Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2017/dsa-4072 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.oracle.com/security-alerts/cpuoct2020.html (af854a3a-2127-422b-91ae-364da2661108)