usb-creator up to 0.2.38.3/0.5.56.3/0.2.62/0.2.67 on Ubuntu KVMTest access control

Summaryinfo

A vulnerability was found in usb-creator up to 0.2.38.3/0.5.56.3/0.2.62/0.2.67 on Ubuntu and classified as problematic. This issue affects the function KVMTest. Executing a manipulation can lead to access control. This vulnerability appears as CVE-2015-3643. The attack requires local access. In addition, an exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in usb-creator up to 0.2.38.3/0.5.56.3/0.2.62/0.2.67 on Ubuntu. It has been declared as problematic. This vulnerability affects the function KVMTest. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

usb-creator before 0.2.38.3ubuntu0.1 on Ubuntu 12.04 LTS, before 0.2.56.3ubuntu0.1 on Ubuntu 14.04 LTS, before 0.2.62ubuntu0.3 on Ubuntu 14.10, and before 0.2.67ubuntu0.1 on Ubuntu 15.04 allows local users to gain privileges by leveraging a missing call check_polkit for the KVMTest method.

The bug was discovered 04/23/2015. The weakness was presented 09/28/2017 by Tavis Ormandy as EDB-ID 36820 as not defined exploit (Exploit-DB). The advisory is shared for download at exploit-db.com. This vulnerability was named CVE-2015-3643 since 05/04/2015. The attack needs to be approached locally. A single authentication is needed for exploitation. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1068.

A public exploit has been developed by Tavis Ormandy and been published immediately after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 888 days. During that time the estimated underground price was around $0-$5k.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at Exploit-DB (36820) and SecurityFocus (BID 74304†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

• usb-creator

Version

• 0.2.0
• 0.2.1
• 0.2.2
• 0.2.3
• 0.2.4
• 0.2.5
• 0.2.6
• 0.2.7
• 0.2.8
• 0.2.9
• 0.2.10
• 0.2.11
• 0.2.12
• 0.2.13
• 0.2.14
• 0.2.15
• 0.2.16
• 0.2.17
• 0.2.18
• 0.2.19
• 0.2.20
• 0.2.21
• 0.2.22
• 0.2.23
• 0.2.24
• 0.2.25
• 0.2.26
• 0.2.27
• 0.2.28
• 0.2.29
• 0.2.30
• 0.2.31
• 0.2.32
• 0.2.33
• 0.2.34
• 0.2.35
• 0.2.36
• 0.2.37
• 0.2.38
• 0.2.38.0
• 0.2.38.1
• 0.2.38.2
• 0.2.38.3
• 0.2.39
• 0.2.40
• 0.2.41
• 0.2.42
• 0.2.43
• 0.2.44
• 0.2.45
• 0.2.46
• 0.2.47
• 0.2.48
• 0.2.49
• 0.2.50
• 0.2.51
• 0.2.52
• 0.2.53
• 0.2.54
• 0.2.55
• 0.2.56
• 0.2.57
• 0.2.58
• 0.2.59
• 0.2.60
• 0.2.61
• 0.2.62
• 0.2.63
• 0.2.64
• 0.2.65
• 0.2.66
• 0.2.67
• 0.5.56.0
• 0.5.56.1
• 0.5.56.2
• 0.5.56.3

CPE 2.3info

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CPE 2.2info

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Entryinfo

Once again VulDB remains the best source for vulnerability data.

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