{"id":"CVE-2018-17828","title":"Directory traversal vulnerability in ZZIPlib 0.13.69 allows attackers to overwrite arbitrary files via a .","summary":"Directory traversal vulnerability in ZZIPlib 0.13.69 allows attackers to overwrite arbitrary files via a .. (dot dot) in a zip file, because of the function unzzip_cat in the bins/unzzipcat-mem.c file.","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","cwe":["CWE-22"],"vendor":"gdraheim","product":"zziplib","affected":["zziplib = 0.13.69"],"published":"2018-10-01","updated":"2026-10-15","sourceUpdated":"2026-10-15T18:17:14.510","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2018-17828","references":[{"url":"https://github.com/gdraheim/zziplib/issues/62","label":"cve@mitre.org"},{"url":"https://github.com/gdraheim/zziplib/issues/62","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-15T17:34:39.564476Z"},"epss":0.01538,"epssPercentile":0.74405,"ingestedAt":"2026-10-15T18:23:58.395Z","slug":"CVE-2018-17828","body":"## Overview\n\nDirectory traversal vulnerability in ZZIPlib 0.13.69 allows attackers to overwrite arbitrary files via a .. (dot dot) in a zip file, because of the function unzzip_cat in the bins/unzzipcat-mem.c file.\n\n## Affected\n\n- `zziplib = 0.13.69`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":31,"depthScoreParts":{"impact":30.3,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}