SB2023062145 - SUSE update for netty, netty-tcnative



SB2023062145 - SUSE update for netty, netty-tcnative

Published: June 21, 2023

Security Bulletin ID SB2023062145
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 67% Low 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Creation of Temporary File With Insecure Permissions (CVE-ID: CVE-2022-24823)

CWE-ID: CWE-378 - Creation of Temporary File With Insecure Permissions

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


The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to usage of insecure permissions for temporary files. A local user can view contents of temporary files and gain access to sensitive information.


2) Infinite loop (CVE-ID: CVE-2022-41881)

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

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 infinite loop within the HaProxyMessageDecoder when parsing a TLV with type of "PP2_TYPE_SSL". A remote attacker can pass a specially crafted message to consume all available system resources and cause denial of service conditions.


3) HTTP response splitting (CVE-ID: CVE-2022-41915)

CWE-ID: CWE-113 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting')

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


The vulnerability allows a remote attacker to perform HTTP splitting attacks.

The vulnerability exists due to software does not validate header values when calling DefaultHttpHeaders.set with an iterator of values. A remote attacker can inject arbitrary header values and perform HTTP splitting attacks.

Successful exploitation of the vulnerability may allow an attacker perform cache poisoning attack.


Remediation

Install update from vendor's website.