PT-2021-6866 · Adobe · Framemaker

Published 2021-09-14 · Updated 2021-10-08 · CVE-2021-39835

Positive Technologies (AI Summary)

CVSS v2.0

4.3

Medium

Base vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

Name of the Vulnerable Software and Affected Versions Adobe Framemaker versions 2019 Update 8 and earlier Adobe Framemaker versions 2020 Release Update 2 and earlier

Description The issue is related to a use-after-free vulnerability in the processing of a malformed PDF file, which could result in disclosure of sensitive memory. Exploitation of this issue requires user interaction, where a victim must open a malicious PDF file. This allows a remote attacker to disclose protected information using a specially crafted file.

Recommendations For Adobe Framemaker versions 2019 Update 8 and earlier, update to a version later than Update 8 to resolve the issue. For Adobe Framemaker versions 2020 Release Update 2 and earlier, update to a version later than Release Update 2 to resolve the issue. As a temporary workaround, consider avoiding the use of the PDF file parsing functionality until a patch is available.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2022-02355

CVE-2021-39835

ZDI-21-1088

Affected Products

Framemaker

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2021-39835 · Security Note
• https://helpx.adobe.com/security/products/framemaker/apsb21-74.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-02355 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-1088 · Security Note
• https://osv.dev/vulnerability/CVE-2021-39835 · Vendor Advisory
• https://t.me/cibsecurity/29667 · Telegram Post
• https://t.me/cvenotify/21639 · Telegram Post
• https://t.me/cvenotify/22155 · Telegram Post