| Name | CVE-2016-9843 |
| Description | The crc32_big function in crc32.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving big-endian CRC calculation. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-1725-1 |
| NVD severity | high (attack range: remote) |
| Debian Bugs | 847275, 924509 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| rsync (PTS) | jessie | 3.1.1-3+deb8u1 | vulnerable |
| jessie (security) | 3.1.1-3+deb8u2 | fixed | |
| stretch | 3.1.2-1+deb9u2 | fixed | |
| stretch (security) | 3.1.2-1+deb9u1 | vulnerable | |
| buster, bullseye, sid | 3.1.3-6 | fixed | |
| zlib (PTS) | jessie | 1:1.2.8.dfsg-2 | vulnerable |
| stretch | 1:1.2.8.dfsg-5 | fixed | |
| buster, bullseye, sid | 1:1.2.11.dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| rsync | source | (unstable) | 3.1.3-6 | high | 924509 | |
| rsync | source | jessie | 3.1.1-3+deb8u2 | high | DLA-1725-1 | |
| rsync | source | stretch | 3.1.2-1+deb9u2 | high | ||
| zlib | source | (unstable) | 1:1.2.8.dfsg-3 | high | 847275 |
[jessie] - zlib <no-dsa> (Minor issue)
[wheezy] - zlib <no-dsa> (Minor issue)
https://github.com/madler/zlib/commit/d1d577490c15a0c6862473d7576352a9f18ef811
Report: https://wiki.mozilla.org/images/0/09/Zlib-report.pdf