PT-2023-3893 · Foxit · Foxit Pdf Reader

Aleksandar Nikolic + 1 · Published 2023-07-19 · Updated 2023-07-26 · CVE-2023-33866

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Foxit PDF Reader version 12.1.2.15332

Description A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader. By prematurely deleting objects associated with pages, a specially crafted PDF document can trigger the reuse of previously freed memory, which can lead to arbitrary code execution. An attacker needs to trick the user into opening the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.

Recommendations For Foxit PDF Reader version 12.1.2.15332, consider disabling the JavaScript engine in the PDF Reader as a temporary workaround until a patch is available. Restrict access to malicious PDF files and avoid visiting untrusted websites with the browser plugin extension enabled. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Buffer Overflow

Weakness Enumeration

CWE-416

CWE-119

Related Identifiers

BDU:2023-04185

CVE-2023-33866

Affected Products

Foxit Pdf Reader

References · 9

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2023-1757 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-33866 · Security Note
• https://bdu.fstec.ru/vul/2023-04185 · Security Note
• https://osv.dev/vulnerability/CVE-2023-33866 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/696881/?sphrase_id=45541 · Security Note
• https://t.me/cibsecurity/67009 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2023072080 · Note
• https://t.me/cvenotify/54670 · Telegram Post
• https://t.me/cvenotify/54648 · Telegram Post