SB2023070335 - Amazon Linux AMI update for glib2
Published: July 3, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Heap-based buffer overflow (CVE-ID: CVE-2015-5073)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Heap-based buffer overflow in the find_fixedlength function in pcre_compile.c in PCRE before 8.38. A remote attacker can use a crafted regular expression with an excess closing parenthesis. to trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
2) Use of uninitialized resource (CVE-ID: CVE-2015-8390)
The vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists due to usage of uninitialized resources when processing the [: and \ substrings in character classes. A remote attacker can pass specially crafted data to the application, trigger uninitialized usage of resources and bypass implemented security mechanisms.
3) Integer overflow (CVE-ID: CVE-2015-8394)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow when processing the (?() and (?(R) conditions. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.