QuaZIP up to 0.7.5 Extraction ZIP Archive Zip-Slip path traversal

Summaryinfo

A vulnerability categorized as critical has been discovered in QuaZIP up to 0.7.5. This impacts an unknown function of the component Extraction. Such manipulation with the input ../ as part of ZIP Archive leads to path traversal (Zip-Slip). This vulnerability is documented as CVE-2018-1002209. The attack needs to be performed locally. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in QuaZIP up to 0.7.5. Affected by this issue is an unknown functionality of the component Extraction. The manipulation with the input value ../ leads to a path traversal vulnerability (Zip-Slip). Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is integrity, and availability. CVE summarizes:

QuaZIP before 0.7.6 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.

The bug was discovered 07/13/2018. The weakness was released 07/25/2018 (GitHub Repository). The advisory is available at github.com. This vulnerability is handled as CVE-2018-1002209 since 07/25/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 12 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 120228 (Fedora 28 : quazip (2018-0c586e5178)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277453 (Fedora Security Update for quazip (FEDORA-2018-0c586e5178)).

Upgrading to version 0.7.6 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (120228). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

• QuaZIP

Version

• 0.7.0
• 0.7.1
• 0.7.2
• 0.7.3
• 0.7.4
• 0.7.5

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion