SB2018072803 - OpenSUSE Linux update for bouncycastle

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Information disclosure (CVE-ID: CVE-2017-13098)

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.

2) Deserialization of Untrusted Data (CVE-ID: CVE-2018-1000613)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data passed via the XMSS/XMSS^MT private key. A remote attacker can pass specially crafted data to the the Bouncy Castle Java Cryptography API and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

• https://lists.opensuse.org/opensuse-security-announce/2018-07/msg00048.html