SB2019040816 - OpenSUSE Linux update for nodejs6

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Use of a broken or risky cryptographic algorithm (CVE-ID: CVE-2019-1559)

The vulnerability allows a remote attacker to decrypt sensitive information.

The vulnerability exists due to the way an application behaves, when it receives a 0-byte record with invalid padding compared to the record with an invalid MAC, which results in padding oracle. A remote attacker can decrypt data.

Successful exploitation of the vulnerability requires that the application is using "non-stitched" ciphersuites and calls SSL_shutdown() twice (first, via a BAD_RECORD_MAC and again via a CLOSE_NOTIFY). 

2) Resource exhaustion (CVE-ID: CVE-2019-5737)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect processing of keep-alive packets. A remote attacker can send keep-alive packets very slowly and trigger resource exhaustion.

3) Resource management error (CVE-ID: CVE-2019-5739)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a very long keep-alive window of 2 minutes that Node.js uses by default for every HTTP and HTTPS connection. A remote attacker can create a bige amount of keep-alive connections and consume all available resources on the system.

Remediation

Install update from vendor's website.

References

• https://lists.opensuse.org/opensuse-security-announce/2019-04/msg00046.html