Memory Initialization Flaw in RAR Decoder of 7-Zip by 7-Zip
CVE-2018-10115

7.8HIGH

Key Information:

Vendor
7-zip
Status
7-zip
Vendor
CVE Published:
2 May 2018

Summary

A flaw in the initialization logic of RAR decoder objects in certain versions of 7-Zip can lead to the usage of uninitialized memory. This vulnerability can be leveraged by malicious actors through specially crafted RAR archives to trigger a denial of service, resulting in a segmentation fault, or potentially execute arbitrary code. Users are advised to update to the latest version to mitigate risks associated with this vulnerability.

References

https://sourceforge.net/p/sevenzip/discussion/45797/threa...
x_refsource_CONFIRM
http://www.securitytracker.com/id/1040832
vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/104132
vdb-entryx_refsource_BID

EPSS Score

5% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.