Vulnerability Details : CVE-2018-1000544
rubyzip gem rubyzip version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write arbitrary files to the filesystem. This attack appear to be exploitable via If a site allows uploading of .zip files , an attacker can upload a malicious file that contains symlinks or files with absolute pathnames "../" to write arbitrary files to the filesystem..
Vulnerability category: Directory traversal
Products affected by CVE-2018-1000544
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:cloudforms:4.6:*:*:*:*:*:*:*
- cpe:2.3:a:rubyzip_project:rubyzip:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-1000544
0.22%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 60 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-1000544
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2018-1000544
-
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.Assigned by: nvd@nist.gov (Primary)
-
The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-1000544
-
https://lists.debian.org/debian-lts-announce/2018/08/msg00013.html
[SECURITY] [DLA 1467-1] ruby-zip security updateMailing List;Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2018:3466
RHSA-2018:3466 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/08/msg00002.html
[SECURITY] [DLA 2307-1] ruby-zip security updateMailing List;Third Party Advisory
-
https://github.com/rubyzip/rubyzip/issues/369
Several directory traversal vulnerabilities · Issue #369 · rubyzip/rubyzip · GitHubExploit;Third Party Advisory
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