Open-iSCSI rtslib-fb up to 2.1.72 Permission saveconfig.json default permission

Summaryinfo

A vulnerability described as critical has been identified in Open-iSCSI rtslib-fb up to 2.1.72. This affects an unknown function of the file /etc/target/saveconfig.json of the component Permission. Such manipulation leads to default permission. This vulnerability is uniquely identified as CVE-2020-14019. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Open-iSCSI rtslib-fb up to 2.1.72. It has been rated as critical. Affected by this issue is an unknown code block of the file /etc/target/saveconfig.json of the component Permission. The manipulation with an unknown input leads to a default permission vulnerability. Using CWE to declare the problem leads to CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Open-iSCSI rtslib-fb through 2.1.72 has weak permissions for /etc/target/saveconfig.json because shutil.copyfile (instead of shutil.copy) is used, and thus permissions are not preserved.

The weakness was disclosed 06/19/2020. This vulnerability is handled as CVE-2020-14019 since 06/11/2020. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1222 by the MITRE ATT&CK project.

By approaching the search of inurl:etc/target/saveconfig.json it is possible to find vulnerable targets with Google Hacking.

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

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Productinfo

Vendor

• Open-iSCSI

Name

• rtslib-fb

Version

• 2.1.0
• 2.1.1
• 2.1.2
• 2.1.3
• 2.1.4
• 2.1.5
• 2.1.6
• 2.1.7
• 2.1.8
• 2.1.9
• 2.1.10
• 2.1.11
• 2.1.12
• 2.1.13
• 2.1.14
• 2.1.15
• 2.1.16
• 2.1.17
• 2.1.18
• 2.1.19
• 2.1.20
• 2.1.21
• 2.1.22
• 2.1.23
• 2.1.24
• 2.1.25
• 2.1.26
• 2.1.27
• 2.1.28
• 2.1.29
• 2.1.30
• 2.1.31
• 2.1.32
• 2.1.33
• 2.1.34
• 2.1.35
• 2.1.36
• 2.1.37
• 2.1.38
• 2.1.39
• 2.1.40
• 2.1.41
• 2.1.42
• 2.1.43
• 2.1.44
• 2.1.45
• 2.1.46
• 2.1.47
• 2.1.48
• 2.1.49
• 2.1.50
• 2.1.51
• 2.1.52
• 2.1.53
• 2.1.54
• 2.1.55
• 2.1.56
• 2.1.57
• 2.1.58
• 2.1.59
• 2.1.60
• 2.1.61
• 2.1.62
• 2.1.63
• 2.1.64
• 2.1.65
• 2.1.66
• 2.1.67
• 2.1.68
• 2.1.69
• 2.1.70
• 2.1.71
• 2.1.72

CPE 2.3info

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CPE 2.2info

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