# CVE-2018-1000878: bsdcpio: libarchive version commit 416694915449219d505531b1096384f3237dd6cc onwards (release v3.1.0 onwards) contains a CWE-41...

CVE-2018-1000878 is fixed in 6 products on 1 platform, first by bsdcpio 3.2.2-3.1ubuntu0.2, released December 19, 2018. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2018-1000878
- Priority: High
- CVSS: 8.8 (Medium)
- EPSS: 0.0445
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 19, 2018

## Description

libarchive version commit 416694915449219d505531b1096384f3237dd6cc onwards (release v3.1.0 onwards) contains a CWE-416: Use After Free vulnerability in RAR decoder - libarchive/archive_read_support_format_rar.c that can result in Crash/DoS - it is unknown if RCE is possible. This attack appear to be exploitable via the victim must open a specially crafted RAR archive.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | bsdcpio Ubuntu 18.04.6 LTS (bionic) | 3.2.2-3.1ubuntu0.2 | [bsdcpio 3.2.2-3.1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-bsdcpio-3.2.2-3.1ubuntu0.2.md) | Dec 19, 2018 |
| Linux | bsdtar RHEL 8 | 0:3.3.2-7.el8 | [RHSA-2019:3698](https://patchblox.com/security/data/fix/linux/rhsa-2019-3698.md) | Nov 5, 2019 |
| Linux | bsdtar Ubuntu 18.04.6 LTS (bionic) | 3.2.2-3.1ubuntu0.2 | [bsdtar 3.2.2-3.1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-bsdtar-3.2.2-3.1ubuntu0.2.md) | Dec 19, 2018 |
| Linux | bsdtar ol 8 | 0:3.3.2-7.el8 | [ELSA-2019-3698](https://patchblox.com/security/data/fix/linux/elsa-2019-3698.md) | Nov 14, 2019 |
| Linux | libarchive RHEL 8 | 0:3.3.2-7.el8 | [RHSA-2019:3698](https://patchblox.com/security/data/fix/linux/rhsa-2019-3698.md) | Nov 5, 2019 |
| Linux | libarchive ol 8 | 0:3.3.2-7.el8 | [ELSA-2019-3698](https://patchblox.com/security/data/fix/linux/elsa-2019-3698.md) | Nov 14, 2019 |
| Linux | libarchive-devel RHEL 8 | 0:3.3.2-7.el8 | [RHSA-2019:3698](https://patchblox.com/security/data/fix/linux/rhsa-2019-3698.md) | Nov 5, 2019 |
| Linux | libarchive-devel ol 8 | 0:3.3.2-7.el8 | [ELSA-2019-3698](https://patchblox.com/security/data/fix/linux/elsa-2019-3698.md) | Nov 14, 2019 |
| Linux | libarchive-tools Ubuntu 18.04.6 LTS (bionic) | 3.2.2-3.1ubuntu0.2 | [libarchive-tools 3.2.2-3.1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libarchive-tools-3.2.2-3.1ubuntu0.2.md) | Dec 19, 2018 |
| Linux | libarchive13 Ubuntu 18.04.6 LTS (bionic) | 3.2.2-3.1ubuntu0.2 | [libarchive13 3.2.2-3.1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libarchive13-3.2.2-3.1ubuntu0.2.md) | Dec 19, 2018 |

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