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Mauritian National Computer Security Incident Response Team (CERT-MU)

VN-2018-34


7-Zip RAR Archive Decoding Error Lets Remote Users Execute Arbitrary Code
Severity Rating: Low
Description
A vulnerability was reported in 7-Zip. A remote user can cause arbitrary code to be executed on the target system.
A remote user can create a specially crafted archive file that, when processed by the target application, will trigger a data structure initialization error in decoding solid compression data in files detected as RAR files and execute arbitrary code on the target system. The code will run with the privileges of the target application.
Impact
A remote user can create a file that, when processed by the target user or application, will execute arbitrary code on the target system.
Solution
The vendor has issued a fix (18.05).
Users are advised to apply updates.
More information is available on:
Vendor Information
7-Zip
 
CVE Information
 
References
Security Tracker
Contact Information
Postal address
Mauritian Computer Emergency Response Team (CERT-MU)
National Computer Board
7th Floor, Stratton Court
La Poudriere Street
Port Louis