| Summary | When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to send data and also free it *again*. |
|---|---|
| Publication Date | Sept. 23, 2021, 10:15 p.m. |
| Registration Date | Sept. 24, 2021, 10 a.m. |
| Last Update | Nov. 21, 2024, 2:50 p.m. |
| CVSS3.1 : CRITICAL | |
| スコア | 9.1 |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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) | 高 |
| 完全性への影響(I) | なし |
| 可用性への影響(A) | 高 |
| CVSS2.0 : MEDIUM | |
| Score | 5.8 |
|---|---|
| Vector | AV:N/AC:M/Au:N/C:P/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) | 中 |
| 攻撃前の認証要否(Au) | 不要 |
| 機密性への影響(C) | 低 |
| 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 |
| Configuration1 | or higher | or less | more than | less than | |
| cpe:2.3:a:haxx:libcurl:*:*:*:*:*:*:*:* | 7.73.0 | 7.78.0 | |||
| Configuration2 | or higher | or less | more than | less than | |
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | |||||
| Configuration3 | or higher | or less | more than | less than | |
| cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* | |||||
| Configuration4 | or higher | or less | more than | less than | |
| cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:* | 8.0.0 | 8.0.26 | |||
| cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:* | 5.7.0 | 5.7.35 | |||
| Configuration5 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* | ||||
| Configuration6 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* | ||||
| Configuration7 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* | ||||
| Configuration8 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:* | ||||
| Configuration9 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:* | ||||
| Configuration10 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:* | ||||
| Configuration11 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* | ||||
| Configuration12 | or higher | or less | more than | less than | |
| cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:* | |||||
| execution environment | |||||
| 1 | cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:* | ||||
| Configuration13 | or higher | or less | more than | less than | |
| cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* | 12.0.0 | 12.3 | |||
| Configuration14 | or higher | or less | more than | less than | |
| cpe:2.3:a:siemens:sinec_ins:*:*:*:*:*:*:*:* | 1.0.1.1 | ||||
| Configuration15 | or higher | or less | more than | less than | |
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | |||||
| Configuration16 | or higher | or less | more than | less than | |
| cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:* | |||||
| cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:* | 9.0.0 | 9.0.6 | |||
| cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:* | 8.2.0 | 8.2.12 | |||
| Title | libcurl における二重解放に関する脆弱性 |
|---|---|
| Summary | libcurl には、二重解放に関する脆弱性が存在します。 |
| Possible impacts | 情報を取得される、およびサービス運用妨害 (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 | Sept. 15, 2021, midnight |
| Registration Date | Sept. 8, 2022, 3:04 p.m. |
| Last Update | Sept. 8, 2022, 3:04 p.m. |
| オラクル |
| MySQL |
| アップル |
| macOS |
| Fedora Project |
| Fedora |
| Haxx |
| libcurl |
| NetApp |
| Clustered Data ONTAP |
| H300S ファームウェア |
| H500S ファームウェア |
| H700S ファームウェア |
| NetApp Cloud Backup |
| シーメンス |
| SINEC Infrastructure Network Services |
| No | Changed Details | Date of change |
|---|---|---|
| 1 | [2022年09月08日] 掲載 |
Sept. 8, 2022, 3:04 p.m. |