| Name | CVE-2017-17969 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1268-1, DSA-4104-1 |
| Debian Bugs | 888297 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| p7zip (PTS) | jessie, jessie (lts) | 9.20.1~dfsg.1-4.1+deb8u3 | fixed |
| stretch (security), stretch (lts), stretch | 16.02+dfsg-3+deb9u1 | fixed |
| buster | 16.02+dfsg-6 | fixed |
| bullseye, bookworm | 16.02+dfsg-8 | fixed |
| sid, trixie | 16.02+transitional.1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/
Fixed in upstream 18.00-beta.