fstream up to 1.0.11 Hardlink fstream.DirWriter input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in fstream up to 1.0.11. This affects the function fstream.DirWriter of the component Hardlink Handler. Executing a manipulation can lead to input validation. This vulnerability is registered as CVE-2019-13173. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in fstream up to 1.0.11 and classified as critical. This vulnerability affects the function fstream.DirWriter of the component Hardlink Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect integrity, and availability. CVE summarizes:

fstream before 1.0.12 is vulnerable to Arbitrary File Overwrite. Extracting tarballs containing a hardlink to a file that already exists in the system, and a file that matches the hardlink, will overwrite the system's file with the contents of the extracted file. The fstream.DirWriter() function is vulnerable.

The weakness was published 07/02/2019 (Website). The advisory is shared for download at lists.opensuse.org. This vulnerability was named CVE-2019-13173 since 07/02/2019. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

Upgrading to version 1.0.12 eliminates this vulnerability.

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Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.8

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
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: Input validation
CWE: CWE-20
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: fstream 1.0.12
Patch: github.com

Timelineinfo

07/02/2019 🔍
07/02/2019 +0 days 🔍
07/03/2019 +1 days 🔍
10/15/2023 +1565 days 🔍

Sourcesinfo

Advisory: 6a77d2fa6e1462693cf8e46f930da96ec1b0bb22
Status: Not defined

CVE: CVE-2019-13173 (🔍)
GCVE (CVE): GCVE-0-2019-13173
GCVE (VulDB): GCVE-100-137200

Entryinfo

Created: 07/03/2019 12:11
Updated: 10/15/2023 14:12
Changes: 07/03/2019 12:11 (55), 06/30/2020 06:53 (1), 10/15/2023 14:10 (5), 10/15/2023 14:12 (1)
Complete: 🔍
Cache ID: 216::103

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