SB2022032144 - SUSE update for apache2
Published: March 21, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Input validation error (CVE-ID: CVE-2022-22719)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to use of uninitialized value in r:parsebody. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
2) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2022-22720)
The vulnerability allows a remote attacker to preform HTTP request smuggling attacks.
The vulnerability exists due to improper validation of HTTP requests. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.
Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.
3) Integer overflow (CVE-ID: CVE-2022-22721)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow within the ap_escape_html2() function when parsing LimitXMLRequestBody. A remote attacker can send a specially crafted request to the web server, trigger an integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
4) Out-of-bounds write (CVE-ID: CVE-2022-23943)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in mod_sed. A remote attacker can trigger out-of-bounds write and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.