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-2021-39842
| 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 that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must 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