GHSA-638m-m8mh-7gw2 · 深刻度： medium · エコシステム： rust — Incorrect MAC key used in the RC4-MD5 ciphersuite
The OpenSSL 3.0 implementation of the RC4-MD5 ciphersuite incorrectly uses the AAD data as the MAC key. This makes the MAC key trivially predictable. An attacker could exploit this issue by performing a man-in-the-middle attack to modify data being sent from one endpoint to an OpenSSL 3.0 recipient such that the modified data would still pass the MAC integrity check. Note that data sent from an OpenSSL 3.0 endpoint to a non-OpenSSL 3.0 endpoint will always be rejected by the recipient and the connection will fail at that point. Many application protocols require data to be sent from the client to the server first. Therefore, in such a case, only an OpenSSL 3.0 server would be impacted when talking to a non-OpenSSL 3.0 client. If both endpoints are OpenSSL 3.0 then the attacker could modify data being sent in both directions. In this case both clients and servers could be affected, regardless of the application protocol. Note that in the absence of an attacker this bug means that an OpenSSL 3.0 endpoint communicating with a non-OpenSSL 3.0 endpoint will fail to complete the handshake when using this ciphersuite. The confidentiality of data is not impacted by this issue, i.e. an attacker cannot decrypt data that has been encrypted using this ciphersuite - they can only modify it. In order for this attack to work both endpoints must legitimately negotiate the RC4-MD5 ciphersuite. This ciphersuite is not compiled by default in OpenSSL 3.0, and is not available within the default provider or the default ciphersuite list. This ciphersuite will never be used if TLSv1.3 has been negotiated. In order for an OpenSSL 3.0 endpoint to use this ciphersuite the following must have occurred: 1) OpenSSL must have been compiled with the (non-default) compile time option enable-weak-ssl-ciphers 2) OpenSSL must have had the legacy provider explicitly loaded (either through application code or via configuration) 3) The ciphersuite must have been explicitly added to the ciphersuite list 4) The libssl security level must have been set to 0 (default is 1) 5) A version of SSL/TLS below TLSv1.3 must have been negotiated 6) Both endpoints must negotiate the RC4-MD5 ciphersuite in preference to any others that both endpoints have in common Fixed in OpenSSL 3.0.3 (Affected 3.0.0,3.0.1,3.0.2).
総合評価: CVE-2022-1434 は中リスク（44.5/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 0.97%、57 パーセンタイル） 推奨対応: 影響資産を整理し、修補計画に組み込んでください。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置（高いほど相対的に深刻）を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ（新 − 旧） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.06% | 0.97% | +0.91% |
| 2 | 2023-03-07 | 0.95% | 0.06% | -0.89% |
| 3 | 2022-06-03 | — | 0.95% | — |
EPSS の全履歴 （全 4 件）
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 5.9 | 3.1 | MEDIUM |
|
2.2 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
GHSA-638m-m8mh-7gw2 · 深刻度： medium · エコシステム： rust — Incorrect MAC key used in the RC4-MD5 ciphersuite
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
medium | CVE-2022-1434: 2 source package rows (openssl, openssl3); 18 state rows across 7 repos (3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 8, open 10. | https://security.alpinelinux.org/vuln/CVE-2022-1434 |
debian
|
unimportant | CVE-2022-1434 unimportant priority: Debian including 1 source packages (openssl), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2022-1434 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2022-1434 |
suse
|
high | CVE-2022-1434 severity important: SUSE including 65 source package names (compat-openssl098, libopenssl-1_0_0-devel, …), 403 product×package rows across 58 product lines (HPE Helion OpenStack 8, SUSE CaaS Platform 4.0, … (58 product lines)): Known Not Affected 355, Fixed 48. | https://www.suse.com/security/cve/CVE-2022-1434/ |
ubuntu
|
low | CVE-2022-1434 low priority: Ubuntu including 4 source packages (edk2, nodejs, openssl, openssl1.0), 56 status rows across 14 suites (bionic, focal, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 30, DNE 13, released 9, needs-triage 3, needed 1. | https://ubuntu.com/security/CVE-2022-1434 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| openssl | openssl | >= 3.0.0, < 3.0.3 | cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:* |
| netapp | active_iq_unified_manager | — | cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vsphere:*:* |
| netapp | clustered_data_ontap | — | cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* |
| netapp | clustered_data_ontap_antivirus_connector | — | cpe:2.3:a:netapp:clustered_data_ontap_antivirus_connector:-:*:*:*:*:*:*:* |
| netapp | santricity_smi-s_provider | — | cpe:2.3:a:netapp:santricity_smi-s_provider:-:*:*:*:*:*:*:* |
| netapp | smi-s_provider | — | cpe:2.3:a:netapp:smi-s_provider:-:*:*:*:*:*:*:* |
| netapp | snapmanager | — | cpe:2.3:a:netapp:snapmanager:-:*:*:*:*:hyper-v:*:* |
| netapp | solidfire\,_enterprise_sds_\&_hci_storage_node | — | cpe:2.3:a:netapp:solidfire\,_enterprise_sds_\&_hci_storage_node:-:*:*:*:*:*:*:* |
| netapp | solidfire_\&_hci_management_node | — | cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:* |
| netapp | a700s_firmware | — | cpe:2.3:o:netapp:a700s_firmware:-:*:*:*:*:*:*:* |
| netapp | h300s_firmware | — | cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* |
| netapp | h500s_firmware | — | cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* |
| netapp | h700s_firmware | — | cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* |
| netapp | h300e_firmware | — | cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:* |
| netapp | h500e_firmware | — | cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:* |
| netapp | h700e_firmware | — | cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:* |
| netapp | h410s_firmware | — | cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* |
| netapp | aff_8300_firmware | — | cpe:2.3:o:netapp:aff_8300_firmware:-:*:*:*:*:*:*:* |
| netapp | fas_8300_firmware | — | cpe:2.3:o:netapp:fas_8300_firmware:-:*:*:*:*:*:*:* |
| netapp | aff_8700_firmware | — | cpe:2.3:o:netapp:aff_8700_firmware:-:*:*:*:*:*:*:* |
| netapp | fas_8700_firmware | — | cpe:2.3:o:netapp:fas_8700_firmware:-:*:*:*:*:*:*:* |
| netapp | aff_a400_firmware | — | cpe:2.3:o:netapp:aff_a400_firmware:-:*:*:*:*:*:*:* |
| netapp | fabric-attached_storage_a400_firmware | — | cpe:2.3:o:netapp:fabric-attached_storage_a400_firmware:-:*:*:*:*:*:*:* |
| netapp | a250_firmware | — | cpe:2.3:o:netapp:a250_firmware:-:*:*:*:*:*:*:* |
| netapp | aff_500f_firmware | — | cpe:2.3:o:netapp:aff_500f_firmware:-:*:*:*:*:*:*:* |
| netapp | fas_500f_firmware | — | cpe:2.3:o:netapp:fas_500f_firmware:-:*:*:*:*:*:*:* |