| Name | CVE-2018-1000117 |
| Description | Python Software Foundation CPython version From 3.2 until 3.6.4 on Windows contains a Buffer Overflow vulnerability in os.symlink() function on Windows that can result in Arbitrary code execution, likely escalation of privilege. This attack appears to be exploitable via a python script that creates a symlink with an attacker controlled name or location. This vulnerability appears to have been fixed in 3.7.0 and 3.6.5. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| python2.7 (PTS) | jessie, jessie (lts) | 2.7.9-2-ds1-1+deb8u12 | fixed |
| stretch (security) | 2.7.13-2+deb9u6 | fixed |
| stretch (lts), stretch | 2.7.13-2+deb9u9 | fixed |
| buster | 2.7.16-2+deb10u1 | fixed |
| buster (security) | 2.7.16-2+deb10u4 | fixed |
| bullseye | 2.7.18-8+deb11u1 | fixed |
| python3.4 (PTS) | jessie, jessie (lts) | 3.4.2-1+deb8u17 | fixed |
| python3.5 (PTS) | stretch (security) | 3.5.3-1+deb9u5 | fixed |
| stretch (lts), stretch | 3.5.3-1+deb9u9 | fixed |
| python3.7 (PTS) | buster | 3.7.3-2+deb10u3 | fixed |
| buster (security) | 3.7.3-2+deb10u7 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| python2.7 | source | (unstable) | (not affected) | | | |
| python3.4 | source | (unstable) | (not affected) | | | |
| python3.5 | source | (unstable) | (not affected) | | | |
| python3.6 | source | (unstable) | (not affected) | | | |
| python3.7 | source | (unstable) | (not affected) | | | |
Notes
- python3.7 <not-affected> (Windows-specific)
- python3.6 <not-affected> (Windows-specific)
- python3.5 <not-affected> (Windows-specific)
- python3.4 <not-affected> (Windows-specific)
- python2.7 <not-affected> (os.symlink for Windows introduced in 3.2)
http://hg.python.org/lookup/6921e73e33edc3c61bc2d78ed558eaa22a89a564
https://bugs.python.org/issue33001