Medium
Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-17828
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 10:28 UTC · Revision 1
Source evidence
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.
osv:CVE-2018-17828
Complete source record
{
"id": "1279c9210e7b280ce352cfdec4ce0cdc1527ea8b6911c4021301f94bd0276128",
"url": "https://osv.dev/vulnerability/CVE-2018-17828",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-17828",
"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.",
"evidence": "osv:CVE-2018-17828",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2018-17828",
"aliases": [
"CVE-2018-17828"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/gdraheim/zziplib",
"type": "GIT",
"events": [
{
"introduced": "9d82e19c7f654722f9e37deaa9eb91c25ad544ec"
},
{
"last_affected": "9d82e19c7f654722f9e37deaa9eb91c25ad544ec"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:gdraheim:zziplib:0.13.69:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.13.69"
},
{
"last_affected": "0.13.69"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"0.13.69",
"v0.13.69"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-17828.json"
}
}
],
"modified": "2026-10-20T10:50:22.551698783Z",
"provider": "osv",
"references": [
"https://github.com/gdraheim/zziplib/issues/62"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2018-17828",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 381624,
"published_at": "2018-10-01T08:29:01.007+00:00"
}