CVE-2021-35986: Adobe Acrobat Pro DC getAnnots Type Confusion Information Disclosure Vulnerability
First published: Fri Aug 20 2021(Updated: )
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Adobe Acrobat Pro DC. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the getAnnots method. When parsing the nPage parameter, the process does not properly validate user-supplied data, which can result in a type confusion condition. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.
Credit: psirt@adobe.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Adobe Acrobat Pro DC | ||
| Adobe Acrobat Dc | >=15.008.20082<=21.005.20054 | |
| Adobe Acrobat Dc | >=17.011.30059<=17.011.30197 | |
| Adobe Acrobat Dc | >=20.001.30005<=20.004.30005 | |
| Adobe Acrobat Reader DC | >=15.008.20082<=21.005.20054 | |
| Adobe Acrobat Reader DC | >=17.011.30059<=17.011.30197 | |
| Adobe Acrobat Reader DC | >=20.001.30005<=20.004.30005 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2021-35986.
What software is affected by this vulnerability?
This vulnerability affects Adobe Acrobat Pro DC versions 15.008.20082 to 21.005.20054.
Is user interaction required to exploit this vulnerability?
Yes, user interaction is required to exploit this vulnerability. The target must visit a malicious page or open a malicious file.
What is the severity rating of this vulnerability?
The severity rating of this vulnerability is medium, with a rating of 3.3.
How can I fix this vulnerability?
To fix this vulnerability, update Adobe Acrobat Pro DC to a version beyond 21.005.20054.
- collector/zdi-advisory
- alias/ZDI-21-1145
- alias/ZDI-CAN-13556
- alias/CVE-2021-35986
- collector/nvd-index
- vendor/adobe
- canonical/adobe acrobat pro dc
- canonical/adobe acrobat dc
- version/adobe acrobat dc/15.008.20082
- version/adobe acrobat dc/21.005.20054
- version/adobe acrobat dc/17.011.30059
- version/adobe acrobat dc/17.011.30197
- version/adobe acrobat dc/20.001.30005
- version/adobe acrobat dc/20.004.30005
- canonical/adobe acrobat reader dc
- version/adobe acrobat reader dc/15.008.20082
- version/adobe acrobat reader dc/21.005.20054
- version/adobe acrobat reader dc/17.011.30059
- version/adobe acrobat reader dc/17.011.30197
- version/adobe acrobat reader dc/20.001.30005
- version/adobe acrobat reader dc/20.004.30005