PT-2021-12794 · Unknown · Kubernetes Java Client Libraries

Published 2021-01-21 · Updated 2022-10-07 · CVE-2020-8570

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions: Kubernetes Java client libraries versions prior to 9.0.1 Kubernetes Java client libraries version 10.0.0

Description: The issue allows writes to paths outside of the current directory when copying multiple files from a remote pod that sends a maliciously crafted archive. This can potentially overwrite any files on the system of the process executing the client code.

Recommendations: For versions prior to 9.0.1, update to version 9.0.1 or later to resolve the issue. For version 10.0.0, update to a version later than 10.0.0 to resolve the issue. As a temporary workaround, consider restricting the use of the archive copying functionality from remote pods until a patch is available.

Fix

Relative Path Traversal

Path traversal

Weakness Enumeration

CWE-23

CWE-22

Related Identifiers

CVE-2020-8570

GHSA-CGHX-9GCR-R42X

Affected Products

Kubernetes Java Client Libraries

References · 19

• https://github.com/kubernetes-client/java/issues/1491 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2020-8570 · Security Note
• https://osv.dev/vulnerability/CVE-2020-8570 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-cghx-9gcr-r42x · Vendor Advisory
• https://github.com/kubernetes-client/java/pull/1450 · Note
• https://github.com/kubernetes-client/java · Note
• https://github.com/kubernetes-client/java/commit/858316ae8bc1145005a0310e1f65f95d2389a589 · Note
• https://lists.apache.org/thread.html/rcafa485d63550657f068775801aeb706b7a07140a8ebbdef822b3bb3@%3Ccommits.druid.apache.org%3E · Note
• https://lists.apache.org/thread.html/r0c76b3d0be348f788cd947054141de0229af00c540564711e828fd40@%3Ccommits.druid.apache.org%3E · Note
• https://lists.apache.org/thread.html/r0c76b3d0be348f788cd947054141de0229af00c540564711e828fd40%40%3Ccommits.druid.apache.org%3E · Note
• https://lists.apache.org/thread.html/rdb223e1b82e3d7d8e4eaddce8dd1ab87252e3935cc41c859f49767b6%40%3Ccommits.druid.apache.org%3E · Note
• https://lists.apache.org/thread.html/r1975078e44d96f2a199aa90aa874b57a202eaf7f25f2fde6d1c44942@%3Ccommits.druid.apache.org%3E · Note
• https://lists.apache.org/thread.html/rdb223e1b82e3d7d8e4eaddce8dd1ab87252e3935cc41c859f49767b6@%3Ccommits.druid.apache.org%3E · Note
• https://groups.google.com/g/kubernetes-security-announce/c/sd5h73sFPrg · Note
• https://t.me/cibsecurity/22505 · Telegram Post