libmicrohttpd における古典的バッファオーバーフローの脆弱性
| Title |
libmicrohttpd における古典的バッファオーバーフローの脆弱性
|
| Summary |
libmicrohttpd には、古典的バッファオーバーフローの脆弱性が存在します。
|
| Possible impacts |
情報を取得される、情報を改ざんされる、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 |
March 15, 2021, midnight |
| Registration Date |
Nov. 26, 2021, 6:08 p.m. |
| Last Update |
Nov. 26, 2021, 6:08 p.m. |
|
CVSS3.0 : 緊急
|
| Score |
9.8
|
| Vector |
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
|
CVSS2.0 : 危険
|
| Score |
10
|
| Vector |
AV:N/AC:L/Au:N/C:C/I:C/A:C |
Affected System
| レッドハット |
|
Red Hat Enterprise Linux
|
| GNU Project |
|
libmicrohttpd 0.9.71 未満
|
| Fedora Project |
|
Fedora
|
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11月26日] 掲載 |
Nov. 26, 2021, 6:08 p.m. |
NVD Vulnerability Information
CVE-2021-3466
| Summary |
A flaw was found in libmicrohttpd. A missing bounds check in the post_process_urlencoded function leads to a buffer overflow, allowing a remote attacker to write arbitrary data in an application that uses libmicrohttpd. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. Only version 0.9.70 is vulnerable.
|
| Publication Date |
March 26, 2021, 4:15 a.m. |
| Registration Date |
March 26, 2021, 10:04 a.m. |
| Last Update |
Nov. 21, 2024, 3:21 p.m. |
Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:a:gnu:libmicrohttpd:0.9.70:*:*:*:*:*:*:* |
|
|
|
|
| Configuration2 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* |
|
|
|
|
| cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* |
|
|
|
|
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
|
|
|
|
| Configuration3 |
or higher |
or less |
more than |
less than |
| cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* |
|
|
|
|
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* |
|
|
|
|
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* |
|
|
|
|
Related information, measures and tools
Common Vulnerabilities List