SB2020050401 - Debian update for nodejs
Published: May 4, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 6 secuirty vulnerabilities.
1) Resource exhaustion (CVE-ID: CVE-2019-9511)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation when processing HTTP/2 requests. A remote attacker can send a specially crafted HTTP/2 request the affected server, consume all available CPU resources and perform a denial of service (DoS) attack.
Successful exploitation of the vulnerability requires that support for HTTP/2 is enabled.
2) Resource exhaustion (CVE-ID: CVE-2019-9513)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation when processing HTTP/2 requests. A remote attacker can send a specially crafted HTTP/2 request the affected server, consume all available CPU resources and perform a denial of service (DoS) attack.
Successful exploitation of the vulnerability requires that support for HTTP/2 is enabled.
3) Resource exhaustion (CVE-ID: CVE-2019-9514)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper validation of user-supplied input when processing HTTP/2 requests. A remote attacker can send specially crafted HTTP packets to the affected system trigger resource exhaustion and perform a denial of service (DoS) attack.
4) Reachable assertion (CVE-ID: CVE-2019-15604)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of X509 certificates in X509V3_EXT_print(). A remote attacker can supply a specially crafted client certificate to the application and perform a denial of service attack.
5) HTTP request smuggling (CVE-ID: CVE-2019-15605)
The vulnerability allows a remote attacker to perform HTTP request smuggling attack.
The vulnerability exists due to insufficient validation of Transfer-Encoding header. A remote attacker can send a specially crafted HTTP request to the application and perform a request smuggling attack.
6) Input validation error (CVE-ID: CVE-2019-15606)
The vulnerability allows a remote attacker to manipulate HTTP headers.
The vulnerability exists due to insufficient validation of a trailing white-space character in the request headers. A remote attacker can send a specially crafted HTTP request to the application and bypass certain security restrictions.
Remediation
Install update from vendor's website.