PT-2022-26170 · Unknown · Knative.Dev/Func

Andrew-Su + 1 · Published 2022-11-19 · Updated 2023-03-14 · CVE-2022-41939

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions knative.dev/func versions prior to 1.8.1

Description The issue affects developers using malicious or compromised third-party buildpacks, potentially exposing their registry credentials or local docker socket to a malicious lifecycle container. This issue only affects users who are using function buildpacks from third-parties.

Recommendations For versions prior to 1.8.1, update to release 1.8.1 to resolve the issue. As a temporary workaround, consider pinning the builder image to a specific content-hash with a valid lifecycle image to mitigate the attack.

Exploit

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2022-41939

GHSA-5336-2G3F-9G3M

Affected Products

Knative.Dev/Func

References · 8

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/41xxx/CVE-2022-41939.json · Exploit
• 🔥 https://github.com/knative/func/security/advisories/GHSA-5336-2g3f-9g3m · Exploit
• https://github.com/knative/func/pull/1442 · Patch
• https://osv.dev/vulnerability/CVE-2022-41939 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-41939 · Security Note
• https://github.com/knative/func/blob/5ca77d38744d3481cc0b795f607c5859b19588fc/buildpacks/builder.go#L37-L41 · Note
• https://github.com/knative/func/releases/tag/knative-v1.8.1 · Note
• https://t.me/cvenotify/46127 · Telegram Post