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.
Vulnerability category: Denial of service
Products affected by CVE-2017-14166
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:a:libarchive:libarchive:3.3.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-14166
2.89%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 91 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-14166
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2017-14166
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-14166
-
https://www.debian.org/security/2018/dsa-4360
Debian -- Security Information -- DSA-4360-1 libarchiveThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html
[SECURITY] [DLA 1600-1] libarchive security updateMailing List;Third Party Advisory
-
https://github.com/libarchive/libarchive/commit/fa7438a0ff4033e4741c807394a9af6207940d71
Do something sensible for empty strings to make fuzzers happy. · libarchive/libarchive@fa7438a · GitHubPatch;Third Party Advisory
-
https://security.gentoo.org/glsa/201908-11
libarchive: Multiple vulnerabilities (GLSA 201908-11) — Gentoo security
-
https://blogs.gentoo.org/ago/2017/09/06/libarchive-heap-based-buffer-overflow-in-xml_data-archive_read_support_format_xar-c/
libarchive: heap-based buffer overflow in xml_data (archive_read_support_format_xar.c) | agostino's blogPatch;Third Party Advisory
-
https://usn.ubuntu.com/3736-1/
USN-3736-1: libarchive vulnerabilities | Ubuntu security noticesThird Party Advisory
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