Vulnerability Details CVE-2020-9308
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 68.0%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 6.8
References
- 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://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://security.gentoo.org/glsa/202003-28
- https://usn.ubuntu.com/4293-1/
- 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://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://security.gentoo.org/glsa/202003-28
- https://usn.ubuntu.com/4293-1/
Products affected by CVE-2020-9308
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cpe:2.3:a:libarchive:libarchive:3.4.0
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cpe:2.3:a:libarchive:libarchive:3.4.1
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cpe:2.3:o:canonical:ubuntu_linux:16.04
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cpe:2.3:o:canonical:ubuntu_linux:18.04
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cpe:2.3:o:canonical:ubuntu_linux:19.10
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cpe:2.3:o:fedoraproject:fedora:31
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cpe:2.3:o:fedoraproject:fedora:32