CVE-2017-17969

HIGH

7-Zip < 18.00 - Heap-based Buffer Overflow via Crafted ZIP Archive

Title source: llm
STIX 2.1

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.

References (7)

Core 7
Core References
Exploit, Technical Description, Third Party Advisory
https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/
Third Party Advisory vendor-advisory
https://www.debian.org/security/2018/dsa-4104
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2018/02/msg00003.html
Third Party Advisory, VDB Entry vdb-entry
http://www.securitytracker.com/id/1040831
Vendor Advisory vendor-advisory
https://usn.ubuntu.com/3913-1/

Scores

CVSS v3 7.8
EPSS 0.0494
EPSS Percentile 91.2%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (5)
7-zip/7-zip < 18.00
7-zip/p7zip < 18.0
debian/debian_linux 7.0
debian/debian_linux 8.0
debian/debian_linux 9.0
Published Jan 30, 2018
Tracked Since Feb 18, 2026