Directory Traversal Unpacking Vulnerability in unrar by Open Source Developers
CVE-2017-14120

7.5HIGH

Key Information:

Vendor
Rarlab
Status
Unrar
Vendor
CVE Published:
3 September 2017

Summary

The unrar tool, specifically version 0.0.1 also known as unrar-free or unrar-gpl, is vulnerable to a directory traversal issue. This vulnerability allows attackers to extract files from RAR v2 archives to unintended locations within the system's directory structure. By crafting malicious archives that utilize pathnames in the format of ../[filename], an attacker can potentially manipulate the file system, causing files to be unpacked into the upper directory levels. This presents significant risks, as it may lead to unauthorized access or overwriting of critical files.

References

https://bugs.debian.org/874059
x_refsource_MISC
http://www.openwall.com/lists/oss-security/2017/08/20/1
x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2021/02/msg0...
mailing-listx_refsource_MLIST

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.