| Name | CVE-2023-6597 |
| Description | An issue was found in the CPython `tempfile.TemporaryDirectory` class affecting versions 3.12.1, 3.11.7, 3.10.13, 3.9.18, and 3.8.18 and prior. The tempfile.TemporaryDirectory class would dereference symlinks during cleanup of permissions-related errors. This means users which can run privileged programs are potentially able to modify permissions of files referenced by symlinks in some circumstances. |
| 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-3772-1 |
| Debian Bugs | 1070135 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| pypy (PTS) | jessie | 2.4.0+dfsg-3 | fixed |
| stretch | 5.6.0+dfsg-4 | fixed | |
| buster | 7.0.0+dfsg-3 | fixed | |
| bullseye | 7.3.3+dfsg-2 | fixed | |
| pypy3 (PTS) | buster | 7.0.0+dfsg-3 | vulnerable |
| bullseye (security), bullseye | 7.3.5+dfsg-2+deb11u2 | vulnerable | |
| bookworm | 7.3.11+dfsg-2+deb12u2 | fixed | |
| sid, trixie | 7.3.17+dfsg-2 | fixed | |
| 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 (security), buster, buster (lts) | 2.7.16-2+deb10u4 | fixed | |
| bullseye | 2.7.18-8+deb11u1 | fixed | |
| python3.11 (PTS) | bookworm | 3.11.2-6+deb12u2 | fixed |
| bookworm (security) | 3.11.2-6+deb12u3 | fixed | |
| python3.12 (PTS) | trixie | 3.12.6-1 | fixed |
| sid | 3.12.7-1 | fixed | |
| python3.4 (PTS) | jessie, jessie (lts) | 3.4.2-1+deb8u18 | fixed |
| python3.5 (PTS) | stretch (security) | 3.5.3-1+deb9u5 | fixed |
| stretch (lts), stretch | 3.5.3-1+deb9u10 | fixed | |
| python3.7 (PTS) | buster, buster (lts) | 3.7.3-2+deb10u8 | fixed |
| buster (security) | 3.7.3-2+deb10u7 | fixed | |
| python3.9 (PTS) | bullseye | 3.9.2-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| pypy | source | (unstable) | (not affected) | |||
| pypy3 | source | bookworm | 7.3.11+dfsg-2+deb12u2 | |||
| pypy3 | source | (unstable) | 7.3.13+dfsg-1 | |||
| python2.7 | source | (unstable) | (not affected) | |||
| python3.10 | source | (unstable) | (unfixed) | |||
| python3.11 | source | bookworm | 3.11.2-6+deb12u2 | |||
| python3.11 | source | (unstable) | 3.11.8-1 | 1070135 | ||
| python3.12 | source | (unstable) | 3.12.1-1 | |||
| python3.4 | source | (unstable) | (not affected) | |||
| python3.5 | source | (unstable) | (not affected) | |||
| python3.7 | source | buster | 3.7.3-2+deb10u7 | DLA-3772-1 | ||
| python3.7 | source | (unstable) | (unfixed) | |||
| python3.9 | source | (unstable) | (unfixed) |
[bullseye] - python3.9 <no-dsa> (Minor issue)
- python2.7 <not-affected> (tempfile.TemporaryDirectory added in 3.2)
[bullseye] - pypy3 <no-dsa> (Minor issue)
[buster] - pypy3 <no-dsa> (Minor issue)
https://github.com/python/cpython/pull/99930
https://github.com/python/cpython/issues/91133
https://github.com/python/cpython/commit/6ceb8aeda504b079fef7a57b8d81472f15cdd9a5 (v3.12.1)
https://github.com/python/cpython/commit/5585334d772b253a01a6730e8202ffb1607c3d25 (v3.11.8)
https://github.com/python/cpython/commit/8eaeefe49d179ca4908d052745e3bb8b6f238f82 (v3.10.14)
https://github.com/python/cpython/commit/d54e22a669ae6e987199bb5d2c69bb5a46b0083b (v3.9.19)
https://mail.python.org/archives/list/security-announce@python.org/thread/Q5C6ATFC67K53XFV4KE45325S7NS62LD/
Introduced by: https://github.com/python/cpython/commit/e9b51c0ad81da1da11ae65840ac8b50a8521373c (v3.8.0b1)
- pypy <not-affected> (tempfile.TemporaryDirectory added in 3.2)
- python3.4 <not-affected> (Vulnerable code introduced later)
- python3.5 <not-affected> (Vulnerable code introduced later)