unrar-free 0.0.1 RAR2 Archive path traversal

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in unrar-free 0.0.1. It has been declared as critical. This vulnerability affects unknown code of the component RAR2 Archive Handler. The manipulation with the input ../ results in path traversal. This vulnerability was named CVE-2017-14120. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in unrar-free 0.0.1. It has been classified as critical. Affected is some unknown processing of the component RAR2 Archive Handler. The manipulation with the input value ../ leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. 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. This is going to have an impact on integrity, and availability. CVE summarizes:

unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a directory traversal vulnerability for RAR v2 archives: pathnames of the form ../[filename] are unpacked into the upper directory.

The bug was discovered 08/20/2017. The weakness was presented 09/03/2017 (Website). The advisory is available at openwall.com. This vulnerability is traded as CVE-2017-14120 since 09/03/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 14 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 103036 (Debian DLA-1091-1 : unrar-free security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (103036). See VDB-106099 and VDB-106100 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 103036
Nessus Name: Debian DLA-1091-1 : unrar-free security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 70810
OpenVAS Name: Debian LTS Advisory ([SECURITY] [DLA 1091-1] unrar-free security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

08/20/2017 🔍
09/03/2017 +14 days 🔍
09/03/2017 +0 days 🔍
09/03/2017 +0 days 🔍
09/04/2017 +1 days 🔍
09/07/2017 +3 days 🔍
09/08/2017 +1 days 🔍
12/27/2022 +1936 days 🔍

Sourcesinfo

Advisory: DLA 2567-1
Status: Not defined

CVE: CVE-2017-14120 (🔍)
GCVE (CVE): GCVE-0-2017-14120
GCVE (VulDB): GCVE-100-106098
See also: 🔍

Entryinfo

Created: 09/04/2017 09:04
Updated: 12/27/2022 16:17
Changes: 09/04/2017 09:04 (64), 11/12/2019 19:38 (9), 12/27/2022 16:17 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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