CVE-2018-10115

HIGH EXPLOITED RANSOMWARE

7-zip < 18.03 - Remote Code Execution via RAR Decoder Uninitialized Memory

Title source: llm

Exploitation Summary

CVE-2018-10115 has been observed exploited in the wild (reported by VulnCheck KEV), including in ransomware campaigns.

Description

Incorrect initialization logic of RAR decoder objects in 7-Zip 18.03 and before can lead to usage of uninitialized memory, allowing remote attackers to cause a denial of service (segmentation fault) or execute arbitrary code via a crafted RAR archive.

References (4)

Core 4

Core References

Issue Tracking x_refsource_confirm

https://sourceforge.net/p/sevenzip/discussion/45797/thread/adc65bfa/

Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack

http://www.securitytracker.com/id/1040832

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/104132

Exploit, Third Party Advisory x_refsource_misc

https://landave.io/2018/05/7-zip-from-uninitialized-memory-to-remote-code-execution/

Scores

CVSS v3 7.8

EPSS 0.0498

EPSS Percentile 91.1%

Attack Vector LOCAL

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

VulnCheck KEV 2020-02-25

Ransomware Use Confirmed

CWE

CWE-665 CWE-908

Status published

Products (1)

7-zip/7-zip < 18.03

Published May 02, 2018

Tracked Since Feb 18, 2026