SB2024032645 - Kaspersky Anti Targeted Attack update for Suricata

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2024-23839)

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

The vulnerability exists due to a use-after-free error when handling HTTP traffic. A remote attacker can send specially crafted data to the system and perform a denial of service (DoS) attack.

Successful exploitation of the vulnerability requires that http.request_header or http.response_header keywords are used if the ruleset.

2) Resource exhaustion (CVE-ID: CVE-2024-23836)

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

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

3) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2024-23837)

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

The vulnerability exists due to unbounded folded header handling. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

4) Input validation error (CVE-ID: CVE-2024-24568)

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient validation of user-supplied input when handling HTTP2 headers. A remote attacker can use specially crafted HTTP/2 requests to bypass existing ruleset.

Remediation

Install update from vendor's website.

References

• https://support.kaspersky.com/general/vulnerability.aspx?el=12430#260324