Alpine Linux up to 2.6.9/2.7.5/2.10.0 Package Manager input validation

Summaryinfo

A vulnerability identified as critical has been detected in Alpine Linux up to 2.6.9/2.7.5/2.10.0. The impacted element is an unknown function of the component Package Manager. This manipulation causes input validation. The identification of this vulnerability is CVE-2018-1000849. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Alpine Linux up to 2.6.9/2.7.5/2.10.0. Affected by this vulnerability is some unknown functionality of the component Package Manager. 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 confidentiality, integrity, and availability. The summary by CVE is:

Alpine Linux version Versions prior to 2.6.10, 2.7.6, and 2.10.1 contains a Other/Unknown vulnerability in apk-tools (Alpine Linux' package manager) that can result in Remote Code Execution. This attack appear to be exploitable via A specially crafted APK-file can cause apk to write arbitrary data to an attacker-specified file, due to bugs in handling long link target name and the way a regular file is extracted.. This vulnerability appears to have been fixed in 2.6.10, 2.7.6, and 2.10.1.

The bug was discovered 12/20/2018. The weakness was shared 12/20/2018 (Website). It is possible to read the advisory at alpinelinux.org. This vulnerability is known as CVE-2018-1000849 since 12/20/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 2.6.10, 2.7.6 or 2.10.1 eliminates this vulnerability.

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Productinfo

Vendor

• Alpine

Name

• Linux

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6
• 2.6.0
• 2.6.1
• 2.6.2
• 2.6.3
• 2.6.4
• 2.6.5
• 2.6.6
• 2.6.7
• 2.6.8
• 2.6.9
• 2.7
• 2.7.0
• 2.7.1
• 2.7.2
• 2.7.3
• 2.7.4
• 2.7.5
• 2.8
• 2.9
• 2.10.0

License

• open-source

CPE 2.3info

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CPE 2.2info

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