SB2023122265 - IBM License Metric Tool update for bzip2
Published: December 22, 2023
Security Bulletin ID
SB2023122265
Severity
High
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Use-after-free memory corruption in bzip2recover (CVE-ID: CVE-2016-3189)
The vulnerability allows a remote attacker to cause the target application to crash.
The vulnerability exists due to an use-after-free error in bzip2recover when handling bzip2 files. A remote unauthenticated attacker can send a specially crafted bzip2 archive and cause the target application to crash.
Successful exploitation of this vulnerability will result in denial of service.
2) Out-of-bounds write (CVE-ID: CVE-2019-12900)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the BZ2_decompress() function in decompress.c. A remote attacker can create a specially crafted archive, trick the victim into opening it using the affected library, trigger out-of-bounds write and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.