netkit up to 0.17 Access Restriction rcp.c access control

Summaryinfo

A vulnerability categorized as critical has been discovered in netkit up to 0.17. This issue affects some unknown processing of the file rcp.c of the component Access Restriction. Such manipulation leads to access control. This vulnerability is documented as CVE-2019-7282. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in netkit up to 0.17. Affected by this issue is an unknown functionality of the file rcp.c of the component Access Restriction. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In NetKit through 0.17, rcp.c in the rcp client allows remote rsh servers to bypass intended access restrictions via the filename of . or an empty filename. The impact is modifying the permissions of the target directory on the client side. This is similar to CVE-2018-20685.

The bug was discovered 01/26/2019. The weakness was released 01/31/2019 (Website). The advisory is shared for download at bugs.debian.org. This vulnerability is handled as CVE-2019-7282 since 01/31/2019. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k.

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

Entry connected to this vulnerability is available at VDB-130377. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

• netkit

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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