CVE-2020-9308
First published: Thu Feb 20 2020(Updated: )
archive_read_support_format_rar5.c in libarchive before 3.4.2 attempts to unpack a RAR5 file with an invalid or corrupted header (such as a header size of zero), leading to a SIGSEGV or possibly unspecified other impact.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Libarchive Libarchive | >=3.4.0<3.4.2 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =19.10 | |
| Fedoraproject Fedora | =31 | |
| Fedoraproject Fedora | =32 | |
| ubuntu/libarchive | <3.4.0-1ubuntu0.1 | 3.4.0-1ubuntu0.1 |
| debian/libarchive | 3.4.3-2+deb11u1 3.6.2-1+deb12u1 3.7.2-2.1 3.7.4-1 |
Remedy
https://github.com/libarchive/libarchive/pull/1326/commits/94821008d6eea81e315c5881cdf739202961040a
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Reference Links
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20459
- https://github.com/libarchive/libarchive/pull/1326
- https://github.com/libarchive/libarchive/pull/1326/commits/94821008d6eea81e315c5881cdf739202961040a
- https://security.gentoo.org/glsa/202003-28
- https://usn.ubuntu.com/4293-1/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6OTE7GWASH2ZOVG5H3HEN5PR6B3KF7JB/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J76F7VU7HC3GBKG5SAKTRBOFOI3RGO6M/
- https://launchpad.net/bugs/cve/CVE-2020-9308
- https://github.com/libarchive/libarchive/commit/94821008d6eea81e315c5881cdf739202961040a
- https://security-tracker.debian.org/tracker/CVE-2020-9308
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6OTE7GWASH2ZOVG5H3HEN5PR6B3KF7JB/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J76F7VU7HC3GBKG5SAKTRBOFOI3RGO6M/
- https://ubuntu.com/security/notices/USN-4293-1
- https://www.cve.org/CVERecord?id=CVE-2020-9308
- https://nvd.nist.gov/vuln/detail/CVE-2020-9308
- https://ubuntu.com/security/CVE-2020-9308
Frequently Asked Questions
What is CVE-2020-9308?
CVE-2020-9308 is a vulnerability in libarchive that allows for a SIGSEGV or other unspecified impact when attempting to unpack a RAR5 file with an invalid or corrupted header.
What is the severity of CVE-2020-9308?
The severity of CVE-2020-9308 is high with a CVSS score of 8.8.
Which software versions are affected by CVE-2020-9308?
Versions 3.4.0-1ubuntu0.1 and below of libarchive in Ubuntu, versions 3.3.3-4+deb10u1, 3.3.3-4+deb10u3, 3.4.3-2+deb11u1, 3.6.2-1, and 3.7.2-1 of libarchive in Debian, and versions up to and including 3.4.2 of Libarchive are affected.
How can I fix CVE-2020-9308?
Upgrade to version 3.4.2 or later of libarchive to fix CVE-2020-9308.
Where can I find more information about CVE-2020-9308?
You can find more information about CVE-2020-9308 on the following links: [link1], [link2], [link3].
- agent/type
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- source/Launchpad
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- agent/softwarecombine
- agent/severity
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- agent/weakness
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- collector/security-tracker-debian
- source/Debian
- vendor/libarchive
- canonical/libarchive libarchive
- version/libarchive libarchive/3.4.0
- vendor/canonical
- canonical/canonical ubuntu linux
- version/canonical ubuntu linux/16.04
- version/canonical ubuntu linux/18.04
- version/canonical ubuntu linux/19.10
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/31
- version/fedoraproject fedora/32
- package-manager/ubuntu
- package-manager/debian