PT-2021-2952 · Adobe · Framemaker

Francis Provencher · Published 2021-03-09 · Updated 2021-03-18 · CVE-2021-21056

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Adobe Framemaker versions 2020.0.1 and earlier

Description The issue is related to an Out-of-bounds Read vulnerability when parsing a specially crafted 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, where a victim must open a malicious file.

Recommendations For Adobe Framemaker versions 2020.0.1 and earlier, at the moment, there is no information about a newer version that contains a fix for this vulnerability. As a temporary workaround, consider avoiding the use of Adobe Framemaker to parse untrusted files until a patch is available. Restrict access to untrusted files to minimize the risk of exploitation.

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

BDU:2021-02539

CVE-2021-21056

ZDI-21-282

Affected Products

Framemaker

References · 7

• https://zerodayinitiative.com/advisories/ZDI-21-282 · Security Note
• https://osv.dev/vulnerability/CVE-2021-21056 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21056 · Security Note
• https://helpx.adobe.com/security/products/framemaker/apsb21-14.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-02539 · Security Note
• https://t.me/cibsecurity/24865 · Telegram Post
• https://t.me/cvenotify/11546 · Telegram Post