http://bugzilla.opensuse.org/show_bug.cgi?id=1173614 Bug ID: 1173614 Summary: VUL-0: CVE-2019-15608: yarn: TOCTOU vulnerability leads to cache pollution Classification: openSUSE Product: openSUSE Distribution Version: Leap 42.3 Hardware: Other URL: https://smash.suse.de/issue/255125/ OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Security Assignee: security-team@suse.de Reporter: atoptsoglou@suse.com QA Contact: security-team@suse.de Found By: Security Response Team Blocker: --- CVE-2019-15608 The package integrity validation in yarn < 1.19.0 contains a TOCTOU vulnerability where the hash is computed before writing a package to cache. It's not computed again when reading from the cache. This may lead to a cache pollution attack. References: https://github.com/yarnpkg/yarn/blob/master/CHANGELOG.md#1190 https://github.com/yarnpkg/yarn/commit/0474b8c66a8ea298f5e4dedc67b2de464297a... https://hackerone.com/reports/703138 References: https://bugzilla.redhat.com/show_bug.cgi?id=1851875 http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2019-15608 http://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-15608.html http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15608 https://hackerone.com/reports/703138 -- You are receiving this mail because: You are on the CC list for the bug.