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Fencer Vulns
medium 6.1

CVE-2018-1103 json

Openshift Enterprise source-to-image vulnerable to Arbitrary File Write via Archive Extraction (Zip Slip)

published 2018-06-12 8 y ago modified 2026-06-17 4 mo ago also GHSA-w55j-f7vx-6q37 , GO-2020-0026 , EUVD-2023-0808

cvss
6.1
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

Openshift Enterprise source-to-image before version 1.1.10 is vulnerable to an improper validation of user input. An attacker who could trick a user into using the command to copy files locally, from a pod, could override files outside of the target directory of the command.

Patch / fix

  • go github.com/openshift/source-to-image 1.1.10-0.20180427153919-f5cbcbc5cc6f
  • redhat source-to-image 1.1.10

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-1103 updated cvss 6.1

source-to-image: Unsanitized paths in tar.go:ExtractTarStreamFromTarReader() allow malicious containers to overwrite files on the client machine

  • Red Hat OpenShift Enterprise 3 source-to-image
    affected: no fix available

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.34% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 6.1 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
go github.com/openshift/source-to-image
<1.1.10-0.20180427153919-f5cbcbc5cc6f
1.1.10-0.20180427153919-f5cbcbc5cc6f

Affected products

  • Openshift Enterprise unsanitized paths in tar.go

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.