Information disclosure in Bouncy Castle



Published: 2017-12-13 | Updated: 2020-05-04
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-13098
CWE-ID CWE-200
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		The Bouncy Castle Crypto Package For Java
Universal components / Libraries / Libraries used by multiple products

Vendor Legion of the Bouncy Castle Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU9750

Risk: Low

CVSSv3.1: 3.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:F/RL:O/RC:C]

CVE-ID: CVE-2017-13098

CWE-ID: CWE-200 - Information exposure

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists due to the application is susceptible to a chosen ciphertext attack when negotiating an RSA key exchange for any TLS cipher suite. A remote attacker can conduct man-in-the-middle attack and decrypt HTTPS traffic or impersonate the HTTPS server.

Mitigation

Update to version 1.0.3.

Vulnerable software versions

The Bouncy Castle Crypto Package For Java: 1.58

CPE2.3 External links

http://security.netapp.com/advisory/ntap-20171222-0001/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.



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