NVD Vulnerability Detail
Search Exploit, PoC
CVE-2020-8284
Summary

A malicious server can use the FTP PASV response to trick curl 7.73.0 and earlier into connecting back to a given IP address and port, and this way potentially make curl extract information about services that are otherwise private and not disclosed, for example doing port scanning and service banner extractions.

Publication Date Dec. 15, 2020, 5:15 a.m.
Registration Date Jan. 26, 2021, 12:01 p.m.
Last Update Nov. 21, 2024, 2:38 p.m.
CVSS3.1 : LOW
スコア 3.7
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC) 高
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) 低
完全性への影響(I) なし
可用性への影響(A) なし
CVSS2.0 : MEDIUM
Score 4.3
Vector AV:N/AC:M/Au:N/C:P/I:N/A:N
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) なし
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:haxx:curl:*:*:*:*:*:*:*:* 7.73.0
Configuration2 or higher or less more than less than
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Configuration3 or higher or less more than less than
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Configuration4 or higher or less more than less than
cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:hci_storage_node:-:*:*:*:*:*:*:*
Configuration5 or higher or less more than less than
cpe:2.3:o:netapp:hci_bootstrap_os:-:*:*:*:*:*:*:*
execution environment
1 cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*
Configuration6 or higher or less more than less than
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* 10.15 10.15.7
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* 10.14.0 10.14.6
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-001:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-002:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*
cpe:2.3:o:apple:macos:11.0.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:11.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:11.2:*:*:*:*:*:*:*
Configuration7 or higher or less more than less than
cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_billing_and_revenue_management:12.0.0.3.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:essbase:21.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:*
Configuration8 or higher or less more than less than
cpe:2.3:o:fujitsu:m10-1_firmware:*:*:*:*:*:*:*:* xcp2410
execution environment
1 cpe:2.3:h:fujitsu:m10-1:-:*:*:*:*:*:*:*
Configuration9 or higher or less more than less than
cpe:2.3:o:fujitsu:m10-4_firmware:*:*:*:*:*:*:*:* xcp2410
execution environment
1 cpe:2.3:h:fujitsu:m10-4:-:*:*:*:*:*:*:*
Configuration10 or higher or less more than less than
cpe:2.3:o:fujitsu:m10-4s_firmware:*:*:*:*:*:*:*:* xcp2410
execution environment
1 cpe:2.3:h:fujitsu:m10-4s:-:*:*:*:*:*:*:*
Configuration11 or higher or less more than less than
cpe:2.3:o:fujitsu:m12-1_firmware:*:*:*:*:*:*:*:* xcp2410
execution environment
1 cpe:2.3:h:fujitsu:m12-1:-:*:*:*:*:*:*:*
Configuration12 or higher or less more than less than
cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:* xcp2410
execution environment
1 cpe:2.3:h:fujitsu:m12-2:-:*:*:*:*:*:*:*
Configuration13 or higher or less more than less than
cpe:2.3:o:fujitsu:m12-2s_firmware:*:*:*:*:*:*:*:* xcp2410
execution environment
1 cpe:2.3:h:fujitsu:m12-2s:-:*:*:*:*:*:*:*
Configuration14 or higher or less more than less than
cpe:2.3:o:fujitsu:m10-1_firmware:*:*:*:*:*:*:*:* xcp3110
execution environment
1 cpe:2.3:h:fujitsu:m10-1:-:*:*:*:*:*:*:*
Configuration15 or higher or less more than less than
cpe:2.3:o:fujitsu:m10-4_firmware:*:*:*:*:*:*:*:* xcp3110
execution environment
1 cpe:2.3:h:fujitsu:m10-4:-:*:*:*:*:*:*:*
Configuration16 or higher or less more than less than
cpe:2.3:o:fujitsu:m10-4s_firmware:*:*:*:*:*:*:*:* xcp3110
execution environment
1 cpe:2.3:h:fujitsu:m10-4s:-:*:*:*:*:*:*:*
Configuration17 or higher or less more than less than
cpe:2.3:o:fujitsu:m12-1_firmware:*:*:*:*:*:*:*:* xcp3110
execution environment
1 cpe:2.3:h:fujitsu:m12-1:-:*:*:*:*:*:*:*
Configuration18 or higher or less more than less than
cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:* xcp3110
execution environment
1 cpe:2.3:h:fujitsu:m12-2:-:*:*:*:*:*:*:*
Configuration19 or higher or less more than less than
cpe:2.3:o:fujitsu:m12-2s_firmware:*:*:*:*:*:*:*:* xcp3110
execution environment
1 cpe:2.3:h:fujitsu:m12-2s:-:*:*:*:*:*:*:*
Configuration20 or higher or less more than less than
cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:* 1.0.1.1
Configuration21 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
Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
curl における情報漏えいに関する脆弱性
Title curl における情報漏えいに関する脆弱性
Summary

curl には、情報漏えいに関する脆弱性が存在します。

Possible impacts 情報を取得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 Dec. 9, 2020, midnight
Registration Date Aug. 17, 2021, 6:01 p.m.
Last Update Aug. 17, 2021, 6:01 p.m.
Affected System
Debian
Debian GNU/Linux 
Fedora Project
Fedora 
Haxx
cURL 7.73.0 およびそれ以前
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
Change Log
No Changed Details Date of change
1 [2021年08月17日]
  掲載		 Aug. 17, 2021, 6:01 p.m.