CVE-2018-1103
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.
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
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 Medium
CVSS: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 Medium
CVSS: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 Medium
CVSS: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 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N - CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - CVSS 2.0
- 4.3 Medium
AV: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 Medium
CVSS: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 Medium
CVSS: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
| Package | Affected | Fixed |
|---|---|---|
github.com/openshift/source-to-imageGo |
before 1.1.10-0.20180427153919-f5cbcbc5cc6f | 1.1.10-0.20180427153919-f5cbcbc5cc6f |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE 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
bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1103
nvd.nist.gov/vuln/detail/CVE-2018-1103
github.com/openshift/source-to-image/pull/870
github.com/openshift/source-to-image/commit/f5cbcbc5cc6f8cc2f479a7302443bea407a700cb
github.com/snyk/zip-slip-vulnerability
hansmi.ch/articles/2018-04-openshift-s2i-security