#VU79203 Out-of-bounds read in Adobe Reader and Adobe Acrobat


Published: 2023-08-08 | Updated: 2023-08-15

Vulnerability identifier: #VU79203

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-38235

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Adobe Reader
Client/Desktop applications / Office applications
Adobe Acrobat
Client/Desktop applications / Office applications

Vendor: Adobe

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Adobe Reader: 23.001.20064 - 23.003.20244, 20.005.30331 - 20.005.30467, 22.001.20085 - 22.003.20322, 2020.001.30002 - 2020.013.20074, 2017.008.30051 - 2017.012.30229, 2019.008.20071 - 2019.021.20061, 2015.006.30306 - 2015.006.30527, 2018.009.20044 - 2018.011.20063

Adobe Acrobat: 23.001.20064 - 23.003.20244, 21.001.201 - 21.011.20039, 22.001.20085 - 22.003.20322, 20.001.30002 - 20.013.20074, 17.008.30051 - 17.012.30229, 15.006.30306 - 15.006.30527


External links
http://helpx.adobe.com/security/products/acrobat/apsb23-30.html
http://www.zerodayinitiative.com/advisories/ZDI-23-1087/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability