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CVE-2021-35992: Out-of-bounds Read (CWE-125) in Adobe Bridge

Medium
Published: Fri Aug 20 2021 (08/20/2021, 18:10:15 UTC)
Source: CVE
Vendor/Project: Adobe
Product: Bridge

Description

Adobe Bridge version 11.0.2 (and earlier) is affected by an Out-of-bounds Read vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to disclose sensitive memory information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

AI-Powered Analysis

AILast updated: 06/23/2025, 23:55:59 UTC

Technical Analysis

CVE-2021-35992 is an out-of-bounds read vulnerability (CWE-125) affecting Adobe Bridge version 11.0.2 and earlier. Adobe Bridge is a digital asset management application widely used by creative professionals to organize and preview multimedia files. The vulnerability arises when Adobe Bridge parses a specially crafted file, leading to an out-of-bounds read condition. This flaw allows an unauthenticated attacker to cause the application to read memory beyond the intended buffer boundaries. The consequence of this memory disclosure is that sensitive information residing in the process memory space of the current user can be leaked. Exploitation requires user interaction, specifically the victim must open or preview a maliciously crafted file within Adobe Bridge. There are no known exploits in the wild reported for this vulnerability, and no official patches or updates have been linked in the provided information. The vulnerability does not require authentication but depends on social engineering to trick the user into opening the malicious file. The impact is limited to information disclosure within the context of the current user, without direct code execution or privilege escalation. However, leaked memory information could potentially aid attackers in further attacks such as credential theft or bypassing security controls.

Potential Impact

For European organizations, the impact of CVE-2021-35992 centers on the confidentiality of sensitive data handled by Adobe Bridge users. Creative industries, marketing agencies, media companies, and any organizations relying on Adobe Bridge for asset management could be at risk of sensitive information leakage. Since the vulnerability allows reading of memory contents, attackers might extract credentials, tokens, or other sensitive data stored in memory, potentially leading to further compromise. The requirement for user interaction reduces the likelihood of widespread automated exploitation but does not eliminate risk, especially in environments where users frequently handle files from external or untrusted sources. The absence of known exploits in the wild suggests limited active targeting, but the vulnerability could be leveraged in targeted spear-phishing campaigns against high-value individuals or organizations. Confidentiality breaches could have regulatory implications under GDPR if personal or sensitive data is exposed. The integrity and availability of systems are not directly impacted by this vulnerability.

Mitigation Recommendations

1. Implement strict file handling policies: Restrict the types of files that can be opened or previewed in Adobe Bridge, especially from untrusted sources. 2. User awareness training: Educate users on the risks of opening files from unknown or suspicious origins and encourage verification before opening files. 3. Use application whitelisting and sandboxing: Run Adobe Bridge in a restricted environment or sandbox to limit the impact of potential memory disclosures. 4. Monitor for updates: Regularly check Adobe's security advisories and apply patches or updates as soon as they become available. 5. Employ endpoint detection and response (EDR) tools: Monitor for unusual behaviors or memory access patterns that could indicate exploitation attempts. 6. Network segmentation: Isolate systems running Adobe Bridge to limit lateral movement in case of compromise. 7. Implement Data Loss Prevention (DLP) solutions to detect and prevent unauthorized exfiltration of sensitive information that might result from memory disclosure.

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Technical Details

Data Version
5.1
Assigner Short Name
adobe
Date Reserved
2021-06-30T00:00:00.000Z
Cisa Enriched
true

Threat ID: 682d9841c4522896dcbf1927

Added to database: 5/21/2025, 9:09:21 AM

Last enriched: 6/23/2025, 11:55:59 PM

Last updated: 7/31/2025, 2:37:17 AM

Views: 10

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