CVE-2017-14166

Description

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.29% Top 20%
Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://blogs.gentoo.org/ago/2017/09/06/libarchive-heap-based-buffer-overflow-in-xml_data-archive_read_support_format_xar-c/ third party advisory patch
https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html third party advisory mailing list
https://www.debian.org/security/2018/dsa-4360 third party advisory vendor advisory
https://github.com/libarchive/libarchive/commit/fa7438a0ff4033e4741c807394a9af6207940d71 third party advisory patch
https://usn.ubuntu.com/3736-1/ third party advisory vendor advisory
https://security.gentoo.org/glsa/201908-11 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-14166?
CVE-2017-14166 has been scored as a medium severity vulnerability.
How to fix CVE-2017-14166?
To fix CVE-2017-14166, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-14166 being actively exploited in the wild?
It is possible that CVE-2017-14166 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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