Gabor Molnar created COMPRESS-495: ------------------------------------- Summary: Zip Slip in SevenZ CLI Key: COMPRESS-495 URL: https://issues.apache.org/jira/browse/COMPRESS-495 Project: Commons Compress Issue Type: Bug Components: Archivers Reporter: Gabor Molnar
The SevenZ decompressor doesn't check that the file to be extracted is escaping the current directory or not. Vulnerable code: [https://github.com/apache/commons-compress/blob/26b78cecfc1ca0e5daf03109b2c441f960bde678/src/main/java/org/apache/commons/compress/archivers/sevenz/CLI.java#L67] In another place in the repository, there is a safe implementation that was added as an example when the Zip Slip vulnerability was originally published: https://github.com/apache/commons-compress/blob/1a14a23a05f7104e3d41a25a0f7e78ae1556285e/src/main/java/org/apache/commons/compress/archivers/examples/Expander.java#L308 -- This message was sent by Atlassian Jira (v8.3.4#803005)