Vulnerability Details CVE-2017-14166
libarchive 3.3.2 allows remote attackers to cause a denial of service (xml_data heap-based buffer over-read and application crash) via a crafted xar archive, related to the mishandling of empty strings in the atol8 function in archive_read_support_format_xar.c.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.023
EPSS Ranking 84.0%
CVSS Severity
CVSS v3 Score 6.5
CVSS v2 Score 4.3
References
- https://blogs.gentoo.org/ago/2017/09/06/libarchive-heap-based-buffer-overflow-in-xml_data-archive_read_support_format_xar-c/
- https://github.com/libarchive/libarchive/commit/fa7438a0ff4033e4741c807394a9af6207940d71
- https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html
- https://security.gentoo.org/glsa/201908-11
- https://usn.ubuntu.com/3736-1/
- https://www.debian.org/security/2018/dsa-4360
- https://blogs.gentoo.org/ago/2017/09/06/libarchive-heap-based-buffer-overflow-in-xml_data-archive_read_support_format_xar-c/
- https://github.com/libarchive/libarchive/commit/fa7438a0ff4033e4741c807394a9af6207940d71
- https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html
- https://security.gentoo.org/glsa/201908-11
- https://usn.ubuntu.com/3736-1/
- https://www.debian.org/security/2018/dsa-4360
Products affected by CVE-2017-14166
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cpe:2.3:a:libarchive:libarchive:3.3.2
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cpe:2.3:o:canonical:ubuntu_linux:14.04
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cpe:2.3:o:canonical:ubuntu_linux:16.04
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cpe:2.3:o:debian:debian_linux:8.0
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cpe:2.3:o:debian:debian_linux:9.0