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CVE

CVE-2020-36561

Due to improper path sanitization, archives containing relative file paths can cause files to be written (or overwritten

Due to improper path sanitization, archives containing relative file paths can cause files to be written (or overwritten) outside of the target directory.

CRITICAL · CVSS 9.1 EPSS 0.00612
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
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Affected Products & Versions

1
unzip project unzip< 1.0.3-0.20200308084313-2adbaa4891b9
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Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go github.com/yi-ge/unzip CRITICAL fixed in 1.0.3-0.20200308084313-2adbaa4891b9
⚠

Public Exploits & PoCs

1
pocgithub.com · pull/1github.com
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productlowSteganography Unzip Hidden Information From Picture File
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Scoring & Timeline

9.1
CRITICAL · CVSS v3.1 · security@golang.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Dec 2022 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/yi-ge/unzip/commit/2adbaa4891b9690853ef10216189189f5ad7dc73PatchThird Party Advisory
https://pkg.go.dev/vuln/GO-2020-0035Third Party Advisory
https://snyk.io/research/zip-slip-vulnerabilityTechnical DescriptionThird Party Advisory
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