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このページは Ubuntu 向けの修正状況です。脆弱性そのものの説明は CVE 本体のページにあります。 CVE-2023-40217 の詳細 →
カテゴリ
UBUNTU-CVE-2023-40217

An issue was discovered in Python before 3.8.18, 3.9.x before 3.9.18, 3.10.x before 3.10.13, and 3.11.x before 3.11.5. It primarily affects servers (s...

原文の説明

取得元が公開している説明をそのまま載せています (多くは英語)。

An issue was discovered in Python before 3.8.18, 3.9.x before 3.9.18, 3.10.x before 3.10.13, and 3.11.x before 3.11.5. It primarily affects servers (such as HTTP servers) that use TLS client authentication. If a TLS server-side socket is created, receives data into the socket buffer, and then is closed quickly, there is a brief window where the SSLSocket instance will detect the socket as "not connected" and won't initiate a handshake, but buffered data will still be readable from the socket buffer. This data will not be authenticated if the server-side TLS peer is expecting client certificate authentication, and is indistinguishable from valid TLS stream data. Data is limited in size to the amount that will fit in the buffer. (The TLS connection cannot directly be used for data exfiltration because the vulnerable code path requires that the connection be closed on initialization of the SSLSocket.)

出典: OSV.dev (Open Source Vulnerabilities) OSV

影響パッケージ

Ubuntu:Pro:14.04:LTS python2.7
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.6-8ubuntu0.6+esm18"}]}]
Ubuntu:Pro:14.04:LTS python3.5
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.2-2ubuntu0~16.04.4~14.04.1+esm1"}]}]
Ubuntu:Pro:14.04:LTS python3.4
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:Pro:16.04:LTS python2.7
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.12-1ubuntu0~16.04.18+esm9"}]}]
Ubuntu:Pro:16.04:LTS python3.5
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.2-2ubuntu0~16.04.13+esm12"}]}]
Ubuntu:Pro:18.04:LTS python2.7
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.17-1~18.04ubuntu1.13+esm4"}]}]
Ubuntu:Pro:18.04:LTS python3.6
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.9-1~18.04ubuntu1.13+esm1"}]}]
Ubuntu:Pro:18.04:LTS python3.7
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.7.5-2ubuntu1~18.04.2+esm3"}]}]
Ubuntu:Pro:18.04:LTS python3.8
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8.0-3ubuntu1~18.04.2+esm2"}]}]
Ubuntu:20.04:LTS python2.7
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-1~20.04.7"}]}]
Ubuntu:20.04:LTS python3.8
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8.10-0ubuntu1~20.04.9"}]}]
Ubuntu:Pro:20.04:LTS python3.9
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.5-3ubuntu0~20.04.1+esm2"}]}]
Ubuntu:22.04:LTS python2.7
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.18-13ubuntu1.5"}]}]
Ubuntu:22.04:LTS python3.10
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.10.12-1~22.04.3"}]}]
Ubuntu:Pro:22.04:LTS python3.11
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.11.0~rc1-1~22.04.1~esm1"}]}]

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