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moby v25.0.3 has a Race Condition vulnerability in the streamformatter package which can be used to trigger multiple concurrent write operations resulting in data corruption or application crashes.
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
moby v25.0.5 is affected by a Race Condition in builder/builder-next/adapters/snapshot/layer.go. The vulnerability could be used to trigger concurrent builds that call the EnsureLayer function resulting in resource leaks/exhaustion.
Insufficient Verification of Data Authenticity
Affected range
<24.0.9
Fixed version
24.0.9
CVSS Score
6.9
CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:L/I:H/A:L
Description
The classic builder cache system is prone to cache poisoning if the image is built FROM scratch.
Also, changes to some instructions (most important being HEALTHCHECK and ONBUILD) would not cause a cache miss.
An attacker with the knowledge of the Dockerfile someone is using could poison their cache by making them pull a specially crafted image that would be considered as a valid cache candidate for some build steps.
For example, an attacker could create an image that is considered as a valid cache candidate for:
FROM scratch
MAINTAINER Pawel
when in fact the malicious image used as a cache would be an image built from a different Dockerfile.
In the second case, the attacker could for example substitute a different HEALTCHECK command.
Impact
23.0+ users are only affected if they explicitly opted out of Buildkit (DOCKER_BUILDKIT=0 environment variable) or are using the /build API endpoint (which uses the classic builder by default).
All users on versions older than 23.0 could be impacted. An example could be a CI with a shared cache, or just a regular Docker user pulling a malicious image due to misspelling/typosquatting.
Image build API endpoint (/build) and ImageBuild function from github.com/docker/docker/client is also affected as it the uses classic builder by default.
Patches
Patches are included in Moby releases:
v25.0.2
v24.0.9
v23.0.10
Workarounds
Use --no-cache or use Buildkit if possible (DOCKER_BUILDKIT=1, it's default on 23.0+ assuming that the buildx plugin is installed).
Use Version = types.BuilderBuildKit or NoCache = true in ImageBuildOptions for ImageBuild call.
Calling Parse on a "// +build" build tag line with deeply nested expressions can cause a panic due to stack exhaustion.
Affected range
<1.22.7
Fixed version
1.22.7
Description
Calling Decoder.Decode on a message which contains deeply nested structures can cause a panic due to stack exhaustion. This is a follow-up to CVE-2022-30635.
Affected range
>=1.22.0-0 <1.22.5
Fixed version
1.22.5
Description
The net/http HTTP/1.1 client mishandled the case where a server responds to a request with an "Expect: 100-continue" header with a non-informational (200 or higher) status. This mishandling could leave a client connection in an invalid state, where the next request sent on the connection will fail.
An attacker sending a request to a net/http/httputil.ReverseProxy proxy can exploit this mishandling to cause a denial of service by sending "Expect: 100-continue" requests which elicit a non-informational response from the backend. Each such request leaves the proxy with an invalid connection, and causes one subsequent request using that connection to fail.
Affected range
<1.22.7
Fixed version
1.22.7
Description
Calling Decoder.Decode on a message which contains deeply nested structures can cause a panic due to stack exhaustion. This is a follow-up to CVE-2022-30635.
Affected range
<1.22.7
Fixed version
1.22.7
Description
Calling any of the Parse functions on Go source code which contains deeply nested literals can cause a panic due to stack exhaustion.
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This PR contains the following updates:
1.6.1->1.7.0Warning
Some dependencies could not be looked up. Check the Dependency Dashboard for more information.
Release Notes
helm/chart-releaser (helm/chart-releaser)
v1.7.0Compare Source
What's Changed
New Contributors
Full Changelog: helm/chart-releaser@v1.6.1...v1.7.0
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