storeBackup up to 3.5 storeBackup.pl File Name link following

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in storeBackup up to 3.5 and classified as critical. Affected by this vulnerability is an unknown functionality of the file storeBackup.pl. This manipulation as part of File Name causes link following. This vulnerability is registered as CVE-2020-7040. The attack needs to be launched locally. No exploit is available.

Detailsinfo

A vulnerability has been found in storeBackup up to 3.5 (Backup Software) and classified as critical. Affected by this vulnerability is an unknown part of the file storeBackup.pl. The manipulation as part of a File Name leads to a link following vulnerability. The CWE definition for the vulnerability is CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

storeBackup.pl in storeBackup through 3.5 relies on the /tmp/storeBackup.lock pathname, which allows symlink attacks that possibly lead to privilege escalation. (Local users can also create a plain file named /tmp/storeBackup.lock to block use of storeBackup until an admin manually deletes that file.)

The weakness was published 01/21/2020 as not defined mailinglist post (oss-sec). It is possible to read the advisory at seclists.org. This vulnerability is known as CVE-2020-7040 since 01/14/2020. Attacking locally is a requirement. A single authentication is necessary for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.7

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/14/2020 🔍
01/21/2020 +7 days 🔍
01/22/2020 +1 days 🔍
03/25/2024 +1524 days 🔍

Sourcesinfo

Advisory: USN-4508-1
Status: Not defined

CVE: CVE-2020-7040 (🔍)
GCVE (CVE): GCVE-0-2020-7040
GCVE (VulDB): GCVE-100-149215

Entryinfo

Created: 01/22/2020 13:57
Updated: 03/25/2024 09:14
Changes: 01/22/2020 13:57 (38), 01/22/2020 14:02 (18), 03/25/2024 09:14 (17)
Complete: 🔍
Cache ID: 216::103

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