SB2024060519 - Multiple vulnerabilities in Istio



SB2024060519 - Multiple vulnerabilities in Istio

Published: June 5, 2024

Security Bulletin ID SB2024060519
Severity
Medium
Patch available
YES
Number of vulnerabilities 7
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 7 secuirty vulnerabilities.


1) Infinite loop (CVE-ID: CVE-2024-32976)

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

The vulnerability exists due to infinite loop. A remote attacker can consume all available system resources and cause denial of service conditions.


2) Integer underflow (CVE-ID: CVE-2024-32975)

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

The vulnerability exists due to integer underflow in QuicheDataReader::PeekVarInt62Length() function. A remote attacker can send a specially crafted request to the affected application, trigger integer underflow and cause a denial of service condition on the target system.


3) Use-after-free (CVE-ID: CVE-2024-32974)

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

The vulnerability exists due to a use-after-free error in EnvoyQuicServerStream::OnInitialHeadersComplete() function. A remote attacker can cause a denial of service condition on the target system.


4) Uncaught Exception (CVE-ID: CVE-2024-34363)

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

The vulnerability exists due to uncaught exception in the nlohmann JSON library. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


5) Use-after-free (CVE-ID: CVE-2024-34362)

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

The vulnerability exists due to a use-after-free error in EnvoyQuicServerStream. A remote attacker can cause a denial of service condition on the target system.


6) Use of Weak Credentials (CVE-ID: CVE-2024-23326)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the Envoy incorrectly accepts HTTP 200 response for entering upgrade mode. A remote attacker can gain access to sensitive information on the system.


7) Buffer overflow (CVE-ID: CVE-2024-34364)

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

The vulnerability exists due to a boundary error within the mirror response. A remote user can trigger memory corruption and cause a denial of service condition on the target system.


Remediation

Install update from vendor's website.