CVE-2018-1000544
rubyzip gem rubyzip version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write arbitrary files to the filesystem.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.58%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
rubyzip gem rubyzip version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write arbitrary files to the filesystem. This attack appear to be exploitable via If a site allows uploading of .zip files , an attacker can upload a malicious file that contains symlinks or files with absolute pathnames "../" to write arbitrary files to the filesystem..
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 4.58% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-59, CWE-434
- Affected
- rubyzip project/rubyzip · debian/debian linux · redhat/cloudforms
- Source
- cve@mitre.org
References
- https://access.redhat.com/errata/RHSA-2018:3466Third Party Advisory
- https://github.com/rubyzip/rubyzip/issues/369Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/08/msg00013.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/08/msg00002.htmlMailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3466Third Party Advisory
- https://github.com/rubyzip/rubyzip/issues/369Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/08/msg00013.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/08/msg00002.htmlMailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.