CVE-2022-1473
| Summary |
The OPENSSL_LH_flush() function, which empties a hash table, contains a bug that breaks reuse of the memory occuppied by the removed hash table entries. This function is used when decoding certificates or keys. If a long lived process periodically decodes certificates or keys its memory usage will expand without bounds and the process might be terminated by the operating system causing a denial of service. Also traversing the empty hash table entries will take increasingly more time. Typically such long lived processes might be TLS clients or TLS servers configured to accept client certificate authentication. The function was added in the OpenSSL 3.0 version thus older releases are not affected by the issue. Fixed in OpenSSL 3.0.3 (Affected 3.0.0,3.0.1,3.0.2).
|
| Publication Date |
May 4, 2022, 1:15 a.m. |
| Registration Date |
May 4, 2022, 10 a.m. |
| Last Update |
Nov. 21, 2024, 3:40 p.m. |
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CVSS3.1 : HIGH
|
| スコア |
7.5
|
| Vector |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 攻撃元区分(AV) |
ネットワーク |
| 攻撃条件の複雑さ(AC) |
低 |
| 攻撃に必要な特権レベル(PR) |
不要 |
| 利用者の関与(UI) |
不要 |
| 影響の想定範囲(S) |
変更なし |
| 機密性への影響(C) |
なし |
| 完全性への影響(I) |
なし |
| 可用性への影響(A) |
高 |
|
CVSS2.0 : MEDIUM
|
| Score |
5.0
|
| Vector |
AV:N/AC:L/Au:N/C:N/I:N/A:P |
| 攻撃元区分(AV) |
ネットワーク |
| 攻撃条件の複雑さ(AC) |
低 |
| 攻撃前の認証要否(Au) |
不要 |
| 機密性への影響(C) |
なし |
| 完全性への影響(I) |
なし |
| 可用性への影響(A) |
低 |
| Get all privileges. |
いいえ
|
| Get user privileges |
いいえ
|
| Get other privileges |
いいえ
|
| User operation required |
いいえ
|
Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:* |
3.0.0 |
|
|
3.0.3 |
| Configuration2 |
or higher |
or less |
more than |
less than |
| cpe:2.3:a:netapp:santricity_smi-s_provider:-:*:*:*:*:*:*:* |
|
|
|
|
| cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* |
|
|
|
|
| cpe:2.3:a:netapp:smi-s_provider:-:*:*:*:*:*:*:* |
|
|
|
|
| cpe:2.3:a:netapp:clustered_data_ontap_antivirus_connector:-:*:*:*:*:*:*:* |
|
|
|
|
| cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:* |
|
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|
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| cpe:2.3:a:netapp:solidfire\,_enterprise_sds_\&_hci_storage_node:-:*:*:*:*:*:*:* |
|
|
|
|
| cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vsphere:*:* |
|
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|
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| cpe:2.3:a:netapp:snapmanager:-:*:*:*:*:hyper-v:*:* |
|
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|
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| Configuration3 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:a700s_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:a700s:-:*:*:*:*:*:*:* |
| Configuration4 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* |
| Configuration5 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* |
| Configuration6 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* |
| Configuration7 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:* |
| Configuration8 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:* |
| Configuration9 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:* |
| Configuration10 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* |
| Configuration11 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:aff_8300_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:aff_8300:-:*:*:*:*:*:*:* |
| Configuration12 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:fas_8300_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:fas_8300:-:*:*:*:*:*:*:* |
| Configuration13 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:aff_8700_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:aff_8700:-:*:*:*:*:*:*:* |
| Configuration14 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:fas_8700_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:fas_8700:-:*:*:*:*:*:*:* |
| Configuration15 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:aff_a400_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:aff_a400:-:*:*:*:*:*:*:* |
| Configuration16 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:fabric-attached_storage_a400_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:fabric-attached_storage_a400:-:*:*:*:*:*:*:* |
| Configuration17 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:a250_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:a250:-:*:*:*:*:*:*:* |
| Configuration18 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:aff_500f_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:aff_500f:-:*:*:*:*:*:*:* |
| Configuration19 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:netapp:fas_500f_firmware:-:*:*:*:*:*:*:* |
|
|
|
|
| execution environment |
| 1 |
cpe:2.3:h:netapp:fas_500f:-:*:*:*:*:*:*:* |
Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
OpenSSL の OPENSSL_LH_flush() 関数における占有されていたメモリの再利用を中断される脆弱性
| Title |
OpenSSL の OPENSSL_LH_flush() 関数における占有されていたメモリの再利用を中断される脆弱性
|
| Summary |
OpenSSL の OPENSSL_LH_flush() 関数には、証明書またはキーをデコードする際、削除されたハッシュテーブルエントリによって占有されていたメモリの再利用を中断される脆弱性が存在します。
|
| Possible impacts |
長期間有効なプロセスの定期的な証明書またはキーのデコードを介して、メモリ使用量が際限なく拡大され、オペレーティングシステムによってプロセスが終了し、サービス運用妨害 (DoS) 状態にされる可能性があります。 |
| Solution |
ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。 |
| Publication Date |
May 3, 2022, midnight |
| Registration Date |
May 16, 2022, 5:15 p.m. |
| Last Update |
June 16, 2023, 6:04 p.m. |
Affected System
| OpenSSL Project |
|
OpenSSL 3.0.0
|
|
OpenSSL 3.0.1
|
|
OpenSSL 3.0.2
|
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
その他
Change Log
| No |
Changed Details |
Date of change |
| 3 |
[2023年03月22日]
参考情報：JVN (JVNVU#99752892) を追加
参考情報：ICS-CERT ADVISORY (ICSA-23-075-01) を追加 |
March 22, 2023, 2 p.m. |
| 4 |
[2022年06月16日]
参考情報：JVN (JVNVU#99464755) を追加
参考情報：ICS-CERT ADVISORY (ICSA-23-166-11) を追加 |
June 16, 2023, 12:02 p.m. |
| 1 |
[2022年05月16日]
掲載 |
May 16, 2022, 5:15 p.m. |
| 2 |
[2023年02月17日]
参考情報：JVN (JVNVU#97514209) を追加
参考情報：ICS-CERT ADVISORY (ICSA-23-047-03) を追加 |
Feb. 17, 2023, 1:58 p.m. |