SB2024091059 - Fedora 39 update for botan2

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Main Vulnerability Database SB2024091059

SB2024091059 - Fedora 39 update for botan2

Published: September 10, 2024

Security Bulletin ID SB2024091059
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 3
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 3 vulnerabilities.


1) Resource exhaustion (CVE-ID: CVE-2024-34703)

CWE-ID: CWE-400 - Resource exhaustion

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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 when parsing X.509 certificates. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


2) Improper Certificate Validation (CVE-ID: CVE-2024-39312)

CWE-ID: CWE-295 - Improper Certificate Validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to the Name Constraint Decoding bug. A remote attacker can cause the target system to accept arbitrary certificates.


3) Asymmetric Resource Consumption (Amplification) (CVE-ID: CVE-2024-34702)

CWE-ID: CWE-405 - Asymmetric Resource Consumption (Amplification)

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Green


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

The vulnerability exists due to excessive name constraints. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References