tar up to 1.22.0 v4 on BusyBox 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 tar up to 1.22.0 v4 on BusyBox. It has been declared as critical. This issue affects some unknown processing. The manipulation results in path traversal. This vulnerability is reported as CVE-2011-5325. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in tar up to 1.22.0 v4 on BusyBox. Affected is some unknown processing. The manipulation with an unknown input 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 confidentiality, and integrity. CVE summarizes:

Directory traversal vulnerability in the BusyBox implementation of tar before 1.22.0 v5 allows remote attackers to point to files outside the current working directory via a symlink.

The bug was discovered 10/21/2015. The weakness was disclosed 08/07/2017 by Matt (oss-sec). The advisory is available at openwall.com. This vulnerability is traded as CVE-2011-5325 since 10/21/2015. The exploitability is told to be easy. 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. The technical details are unknown and an exploit is not available. 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 656 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 217608 (Linux Distros Unpatched Vulnerability : CVE-2011-5325), which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197418 (Ubuntu Security Notification for Busybox Vulnerabilities (USN-3935-1)).

Upgrading to version 1.22.0 v5 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (217608) and SecurityFocus (BID 72324†). The entries VDB-96755, VDB-96756, VDB-97860 and VDB-108612 are pretty similar. 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: 217608
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2011-5325

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: tar 1.22.0 v5

Timelineinfo

01/27/2015 🔍
10/21/2015 +267 days 🔍
10/21/2015 +0 days 🔍
08/07/2017 +656 days 🔍
08/07/2017 +0 days 🔍
08/08/2017 +1 days 🔍
03/04/2025 +2765 days 🔍

Sourcesinfo

Advisory: 153278
Researcher: Matthias Krause (Matt)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-5325 (🔍)
GCVE (CVE): GCVE-0-2011-5325
GCVE (VulDB): GCVE-100-104922
SecurityFocus: 72324 - BusyBox CVE-2014-9645 Local Security Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 08/08/2017 10:30
Updated: 03/04/2025 08:09
Changes: 08/08/2017 10:30 (66), 11/04/2019 11:00 (4), 01/07/2021 14:27 (2), 12/15/2022 09:09 (3), 12/15/2022 09:12 (1), 03/04/2025 08:09 (16)
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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