From d7c0507e33496942ba70c97110bbe21de85f33c3 Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Mon, 10 Feb 2025 17:35:12 -0800 Subject: [PATCH] chore(deps): Bump net-imap from 0.4.17 to 0.4.19 (#10871) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Bumps [net-imap](https://github.com/ruby/net-imap) from 0.4.17 to 0.4.19.
Release notes

Sourced from net-imap's releases.

v0.4.19

What's Changed

🔒 Security Fix

Fixes CVE-2025-25186 (GHSA-7fc5-f82f-cx69): A malicious server can exhaust client memory by sending APPENDUID or COPYUID responses with very large uid-set ranges. Net::IMAP::UIDPlusData expands these ranges into arrays of integers.

Fix with minor API changes

Set config.parser_use_deprecated_uidplus_data to false to replace UIDPlusData with AppendUIDData and CopyUIDData. These classes store their UIDs as Net::IMAP::SequenceSet objects (not expanded into arrays of integers). Code that does not handle APPENDUID or COPYUID responses should not see any difference. Code that does handle these responses may need to be updated.

For v0.3.8, this option is not available For v0.4.19, the default value is true. For v0.5.6, the default value is :up_to_max_size. For v0.6.0, the only allowed value will be false (UIDPlusData will be removed from v0.6).

Mitigate with backward compatible API

Adjust config.parser_max_deprecated_uidplus_data_size to limit the maximum UIDPlusData UID set size. When config.parser_use_deprecated_uidplus_data == true, larger sets will crash. When config.parser_use_deprecated_uidplus_data == :up_to_max_size, larger sets will use AppendUIDData or CopyUIDData.

For v0.3,8, this limit is hard-coded to 10,000. For v0.4.19, this limit defaults to 1000. For v0.5.6, this limit defaults to 100. For v0.6.0, the only allowed value will be 0 (UIDPlusData will be removed from v0.6).

Please Note: unhandled responses

If the client does not add response handlers to prune unhandled responses, a malicious server can still eventually exhaust all client memory, by repeatedly sending malicious responses. However, net-imap has always retained unhandled responses, and it has always been necessary for long-lived connections to prune these responses. This is not significantly different from connecting to a trusted server with a long-lived connection. To limit the maximum number of retained responses, a simple handler might look something like the following:

limit = 1000
imap.add_response_handler do |resp|
  next unless resp.respond_to?(:name) && resp.respond_to?(:data)
  name = resp.name
code = resp.data.code&.name if
resp.data.in?(Net::IMAP::ResponseText)
  imap.responses(name) { _1.slice!(0...-limit) }
  imap.responses(code) { _1.slice!(0...-limit) }
end

Added

... (truncated)

Commits

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Signed-off-by: dependabot[bot] Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> --- Gemfile.lock | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/Gemfile.lock b/Gemfile.lock index 45c54bd46..fa45d1e89 100644 --- a/Gemfile.lock +++ b/Gemfile.lock @@ -186,7 +186,7 @@ GEM database_cleaner-core (2.0.1) datadog-ci (0.8.3) msgpack - date (3.3.4) + date (3.4.1) ddtrace (1.23.2) datadog-ci (~> 0.8.1) debase-ruby_core_source (= 3.3.1) @@ -487,7 +487,7 @@ GEM uri net-http-persistent (4.0.2) connection_pool (~> 2.2) - net-imap (0.4.17) + net-imap (0.4.19) date net-protocol net-pop (0.1.2) @@ -782,7 +782,7 @@ GEM time_diff (0.3.0) activesupport i18n - timeout (0.4.1) + timeout (0.4.3) trailblazer-option (0.1.2) twilio-ruby (5.77.0) faraday (>= 0.9, < 3.0)