SB2022082444 - Red Hat Enterprise Linux 9 update for curl
Published: August 24, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Resource exhaustion (CVE-ID: CVE-2022-32206)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insecure processing of compressed HTTP responses. A malicious server can send a specially crafted HTTP response to curl and perform a denial of service attack by forcing curl to spend enormous amounts of allocated heap memory, or trying to and returning out of memory errors.
2) Incorrect default permissions (CVE-ID: CVE-2022-32207)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to incorrect default permissions set to cookies, alt-svc and hsts data stored in local files. A local user with ability to read such files can gain access to potentially sensitive information.
3) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2022-32208)
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to improper handling of message verification failures when performing FTP transfers secured by krb5. A remote attacker can perform MitM attack and manipulate data.
Remediation
Install update from vendor's website.