libarchive: An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access contr...
CVE-2021-31566 is fixed in 12 products on 1 platform, first by libarchive-tools 3.4.0-2ubuntu1.1, released December 23, 2021. It is not reported as exploited. Patch Radar priority: High.
An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control lists, and flags of a file outside of the archive. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to gain more privileges in a system.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bsdcat · amzn 2023 | 3.5.3-2.amzn2023.0.2 | ALAS2023-2023-071 | Feb 17, 2023 |
| bsdcat-debuginfo · amzn 2023 | 3.5.3-2.amzn2023.0.2 | ALAS2023-2023-071 | Feb 17, 2023 |
| bsdcpio · amzn 2023 | 3.5.3-2.amzn2023.0.2 | ALAS2023-2023-071 | Feb 17, 2023 |
| bsdcpio-debuginfo · amzn 2023 | 3.5.3-2.amzn2023.0.2 | ALAS2023-2023-071 | Feb 17, 2023 |
| bsdtar · RHEL 8 | 0:3.3.3-3.el8_5 | RHSA-2022:0892 | Mar 15, 2022 |
| bsdtar · almalinux 8 | 3.3.3-3.el8_5 | ALSA-2022:0892 | Mar 15, 2022 |
| bsdtar · amzn 2023 | 3.5.3-2.amzn2023.0.2 | ALAS2023-2023-071 | Feb 17, 2023 |
| bsdtar · ol 8 | 0:3.3.3-3.el8_5 | ELSA-2022-0892 | Mar 16, 2022 |
| bsdtar-debuginfo · amzn 2023 | 3.5.3-2.amzn2023.0.2 | ALAS2023-2023-071 | Feb 17, 2023 |
| libarchive · Debian 12.15 (bookworm) | 3.5.2-1 | DEBIAN-CVE-2021-31566 | Aug 23, 2022 |
| libarchive · Debian 13.5 (trixie) | 3.5.2-1 | DEBIAN-CVE-2021-31566 | Aug 23, 2022 |
| libarchive · Debian 14 | 3.5.2-1 | DEBIAN-CVE-2021-31566 | Aug 23, 2022 |
| libarchive · RHEL 8 | 0:3.3.3-3.el8_5 | RHSA-2022:0892 | Mar 15, 2022 |
| libarchive · almalinux 8 | 3.3.3-3.el8_5 | ALSA-2022:0892 | Mar 15, 2022 |
| libarchive · amzn 2023 | 3.5.3-2.amzn2023.0.2 | ALAS2023-2023-071 | Feb 17, 2023 |
| libarchive · ol 8 | 0:3.3.3-3.el8_5 | ELSA-2022-0892 | Mar 16, 2022 |
| libarchive · rocky 8 | 0:3.3.3-3.el8_5 | RLSA-2022:0892 | Mar 15, 2022 |
| libarchive-debuginfo · amzn 2023 | 3.5.3-2.amzn2023.0.2 | ALAS2023-2023-071 | Feb 17, 2023 |
| libarchive-debugsource · amzn 2023 | 3.5.3-2.amzn2023.0.2 | ALAS2023-2023-071 | Feb 17, 2023 |
| libarchive-devel · RHEL 8 | 0:3.3.3-3.el8_5 | RHSA-2022:0892 | Mar 15, 2022 |
| libarchive-devel · almalinux 8 | 3.3.3-3.el8_5 | ALSA-2022:0892 | Mar 15, 2022 |
| libarchive-devel · amzn 2023 | 3.5.3-2.amzn2023.0.2 | ALAS2023-2023-071 | Feb 17, 2023 |
| libarchive-devel · ol 8 | 0:3.3.3-3.el8_5 | ELSA-2022-0892 | Mar 16, 2022 |
| libarchive-tools · Ubuntu 20.04 LTS (focal) | 3.4.0-2ubuntu1.1 | libarchive-tools 3.4.0-2ubuntu1.1 | Dec 23, 2021 |
| libarchive13 · Ubuntu 20.04 LTS (focal) | 3.4.0-2ubuntu1.1 | libarchive13 3.4.0-2ubuntu1.1 | Dec 23, 2021 |
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