Vulnerability Details : CVE-2020-7667
Potential exploit
In package github.com/sassoftware/go-rpmutils/cpio before version 0.1.0, the CPIO extraction functionality doesn't sanitize the paths of the archived files for leading and non-leading ".." which leads in file extraction outside of the current directory. Note: the fixing commit was applied to all affected versions which were re-released.
Vulnerability category: Directory traversal
Products affected by CVE-2020-7667
- cpe:2.3:a:sas:go_rpm_utils:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-7667
0.41%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 59 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-7667
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
Snyk |
CWE ids for CVE-2020-7667
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-7667
-
https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMSASSOFTWAREGORPMUTILSCPIO-570427
SnykExploit;Third Party Advisory
-
https://github.com/sassoftware/go-rpmutils/commit/a64058cf21b8aada501bba923c9aab66fb6febf0
Prevent cpio.Extract from writing into parent directories · sassoftware/go-rpmutils@a64058c · GitHubPatch;Third Party Advisory
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