CVE-2018-1102
An improper path validation of tar files in ExtractTarStreamFromTarReader in tar/tar.go leads to privilege escalation.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A flaw was found in source-to-image function as shipped with Openshift Enterprise 3.x. An improper path validation of tar files in ExtractTarStreamFromTarReader in tar/tar.go leads to privilege escalation.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.42% probability · 84th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20, CWE-22
- Affected
- redhat/openshift
- Source
- secalert@redhat.com
EPSS 2.4% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://access.redhat.com/errata/RHSA-2018:1227Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:1229Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:1231Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:1233Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:1235Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:1237Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:1239Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:1241Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:1243Vendor Advisory
- https://access.redhat.com/errata/RHSA-2019:0036Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1562246Issue Tracking, Patch, Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:1227Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:1229Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:1231Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:1233Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:1235Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:1237Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:1239Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:1241Vendor Advisory
- https://access.redhat.com/errata/RHSA-2018:1243Vendor Advisory
- https://access.redhat.com/errata/RHSA-2019:0036Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1562246Issue Tracking, Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.