Adobe Reader および Acrobat における境界外読み取りに関する脆弱性
| Title |
Adobe Reader および Acrobat における境界外読み取りに関する脆弱性
|
| Summary |
Adobe Reader および Acrobat には、境界外読み取り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メモリ情報を公開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, 5:27 p.m. |
| Last Update |
Nov. 2, 2021, 5:27 p.m. |
|
CVSS3.0 : 低
|
| Score |
3.3
|
| Vector |
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
|
CVSS2.0 : 警告
|
| Score |
4.3
|
| Vector |
AV:N/AC:M/Au:N/C:P/I:N/A:N |
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, 5:27 p.m. |
NVD Vulnerability Information
CVE-2021-39844
| Summary |
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of arbitrary memory information 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