Vulnerability Details : CVE-2017-12938
UnRAR before 5.5.7 allows remote attackers to bypass a directory-traversal protection mechanism via vectors involving a symlink to the . directory, a symlink to the .. directory, and a regular file.
Vulnerability category: Directory traversal
Products affected by CVE-2017-12938
- cpe:2.3:a:rarlab:unrar:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-12938
1.65%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 88 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-12938
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2017-12938
-
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-2017-12938
-
http://seclists.org/oss-sec/2017/q3/290
oss-sec: UnRAR: directory traversal + memory safety bugsExploit;Mailing List;Third Party Advisory
Jump to