Adobe Reader および Acrobat における解放済みメモリの使用に関する脆弱性
| Title |
Adobe Reader および Acrobat における解放済みメモリの使用に関する脆弱性
|
| Summary |
Adobe Reader および Acrobat には、解放済みメモリの使用に関する脆弱性が存在します。
|
| Possible impacts |
悪意のあるページまたはファイルを介して、現在のユーザのコンテキストで任意のコードを実行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. 14, 2021, midnight |
| Registration Date |
Nov. 2, 2021, 4:31 p.m. |
| Last Update |
Nov. 2, 2021, 4:31 p.m. |
|
CVSS3.0 : 重要
|
| Score |
7.8
|
| Vector |
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
|
CVSS2.0 : 警告
|
| Score |
6.8
|
| Vector |
AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected System
| アドビシステムズ |
|
Adobe Acrobat 2017 (Classic 2017) 2017.011.30202 未満 (Windows/macOS)
|
|
Adobe Acrobat 2020 (Classic 2020) 2020.004.30015 未満 (Windows/macOS)
|
|
Adobe Acrobat DC (連続トラック) 2021.007.20091 未満 (Windows/macOS)
|
|
Adobe Acrobat Reader DC (連続トラック) 2021.007.20091 未満 (Windows/macOS)
|
|
Adobe Acrobat Reader DC 2017 (Classic 2017) 2017.011.30202 未満 (Windows/macOS)
|
|
Adobe Acrobat Reader DC 2020 (Classic 2020) 2020.004.30015 未満 (Windows/macOS)
|
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 |
| 1 |
[2021年11月02日]
掲載 |
Nov. 2, 2021, 4:31 p.m. |
NVD Vulnerability Information
CVE-2021-39840
| Summary |
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a use-after-free vulnerability when processing AcroForms that could result in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
|
| Publication Date |
Sept. 30, 2021, 1:15 a.m. |
| Registration Date |
Sept. 30, 2021, 10 a.m. |
| Last Update |
Nov. 21, 2024, 3:20 p.m. |
Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:* |
20.001.30005 |
20.004.30006 |
|
|
| cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:* |
20.001.30005 |
20.004.30006 |
|
|
| execution environment |
| 1 |
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* |
| 2 |
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* |
| Configuration2 |
or higher |
or less |
more than |
less than |
| cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:* |
15.008.20082 |
21.005.20058 |
|
|
| cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:* |
15.008.20082 |
21.005.20058 |
|
|
| execution environment |
| 1 |
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* |
| Configuration3 |
or higher |
or less |
more than |
less than |
| cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:* |
15.008.20082 |
21.005.20060 |
|
|
| cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:* |
15.008.20082 |
21.005.20060 |
|
|
| execution environment |
| 1 |
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* |
| Configuration4 |
or higher |
or less |
more than |
less than |
| cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:* |
17.011.30059 |
17.011.30199 |
|
|
| cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:* |
17.011.30059 |
17.011.30199 |
|
|
| execution environment |
| 1 |
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* |
| 2 |
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* |
Related information, measures and tools
Common Vulnerabilities List