CVE-2017-17969 Information

Description

Heap-based buffer overflow in the NCompress::NShrink::CDecoder::CodeReal method in 7-Zip before 18.00 and p7zip allows remote attackers to cause a denial of service (out-of-bounds write) or potentially execute arbitrary code via a crafted ZIP archive.

CVSS Vector

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

Reference

http://www.securitytracker.com/id/1040831 https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/ https://lists.debian.org/debian-lts-announce/2018/02/msg00003.html https://usn.ubuntu.com/3913-1/ https://www.debian.org/security/2018/dsa-4104

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8