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CVE-2018-1103

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

6.1 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
High
Availability
None

Exploit likelihood

1.34%Up 0.9 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List Score used 6.1

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.

Record
CVE-2018-1103
CVSS 3.0
6.1 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N
Weakness
CWE-22
Updated
2026-11-02
EUVDEUVD-2023-0808 6.1

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.

Record
EUVD-2023-0808
CVSS 3.0
6.1 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-w55j-f7vx-6q37 6.5

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

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.

Specific Go Packages Affected

github.com/openshift/source-to-image/pkg/tar

Record
GHSA-w55j-f7vx-6q37
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Weakness
CWE-22
Updated
2026-11-02
NVD 6.1

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.

Record
CVE-2018-1103
CVSS 3.0
6.1 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-22, CWE-20
Updated
2026-11-02
OSV 6.5

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.

Record
CVE-2018-1103
CVSS 3.0
6.5 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Updated
2026-11-02
OSVGHSA-w55j-f7vx-6q37 6.5

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

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.

Specific Go Packages Affected

github.com/openshift/source-to-image/pkg/tar

Record
GHSA-w55j-f7vx-6q37
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Weakness
CWE-22
Updated
2026-11-02
OSVGO-2020-0026 No score

Arbitrary file write via archive extraction in github.com/openshift/source-to-image

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

Record
GO-2020-0026
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
github.com/openshift/source-to-image
Go
before 1.1.10-0.20180427153919-f5cbcbc5cc6f
1.1.10-0.20180427153919-f5cbcbc5cc6f

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-1103 is a medium vulnerability (CVSS 6.1) in Redhat Source-to-image, published June 12, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.34%, the 71st percentile. Fixed in github.com/openshift/source-to-image 1.1.10-0.20180427153919-f5cbcbc5cc6f.

References

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