Adobe Reader および Acrobat におけるバッファオーバーフローの脆弱性
| Title |
Adobe Reader および Acrobat におけるバッファオーバーフローの脆弱性
|
| Summary |
Adobe Reader および Acrobat には、巧妙に細工された PDF ファイルを構文解析する際に、バッファオーバーフローの脆弱性が存在します。
|
| Possible impacts |
認証されていない攻撃者により、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-2021-39863
| 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 Buffer Overflow vulnerability when parsing a specially crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve 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_dc:*:*:*:*:continuous:*:*:* |
15.008.20082 |
21.005.20060 |
|
|
| execution environment |
| 1 |
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 |
|
|
| execution environment |
| 1 |
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* |
| Configuration3 |
or higher |
or less |
more than |
less than |
| 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_dc:*:*:*:*:continuous:*:*:* |
15.008.20082 |
21.005.20058 |
|
|
| execution environment |
| 1 |
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* |
| Configuration5 |
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:-:*:*:*:*:*:*:* |
| Configuration6 |
or higher |
or less |
more than |
less than |
| cpe:2.3:a:adobe:acrobat_2017:*:*:*:*:classic_2017:*:*:* |
17.011.30059 |
17.011.30199 |
|
|
| cpe:2.3:a:adobe:acrobat_reader_2017:*:*:*:*:classic_2017:*:*:* |
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