SB2017030103 - Multiple vulnerabilities in Justsystems Ichitaro
Published: March 1, 2017
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Memory corruption (CVE-ID: CVE-2017-2791)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when processing Powerpoint documents (.ppt). A remote unauthenticated attacker can .ppt file, trick the victim into opening, cause memory corruption and execute arbitrary code on the target system with privileges of the current user.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
2) Heap-based buffer overflow (CVE-ID: CVE-2017-2790)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when processing Microsoft Excel’s .xls files. A remote unauthenticated attacker can create a specially crafted .xls file, trick the victim into opening it, 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.
3) Heap-based buffer overflow (CVE-ID: CVE-2017-2789)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when processing Figure stream from a .jtd document. A remote unauthenticated attacker can create a specially crafted .jtd document, trick the victim into opening it, cause heap-based buffer overflow and execute arbitrary code on the target system with privileges of the current user.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.