SB2024080312 - openEuler 22.03 LTS SP4 update for exim
Published: August 3, 2024
Security Bulletin ID
SB2024080312
Severity
Medium
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2022-3559)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error in the regex handler. A remote attacker can send specially crafted data to the mail server, trigger a use-after-free error and perform a denial of service (DoS) attack.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
2) Command Injection (CVE-ID: CVE-2023-51766)
The vulnerability allows a remote attacker to spoof email messages.
The vulnerability exists due to an error when handling line endings other than <CR><LF>. A remote attacker can spoof contents of email message and bypass SPF protection mechanism.Remediation
Install update from vendor's website.