CVE-2016-3645 describes a critical integer overflow vulnerability within the TNEF unpacker of Symantec's AntiVirus Decomposer engine, impacting numerous Symantec products including Endpoint Protection, Mail Security, and various Norton consumer products. This vulnerability allows remote attackers to achieve high impact on confidentiality, integrity, and availability via crafted TNEF data, as indicated by its CVSS score of 9.8 (CRITICAL). While not listed in CISA's KEV catalog, exploit code for this vulnerability is publicly available on ExploitDB, and it has garnered significant community discussion and media coverage, suggesting a high potential for exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 13.0.1CPE matchmatch criteria | cpe:2.3:a:symantec:norton_security:*:*:*:*:*:macos:*:* | ||
>= 7.0.0, <= 7.0.5CPE matchmatch criteria | cpe:2.3:a:symantec:protection_engine:*:*:*:*:*:*:*:* | ||
>= 7.5.0, <= 7.5.4CPE matchmatch criteria | cpe:2.3:a:symantec:protection_engine:*:*:*:*:*:*:*:* | ||
7.8.0CPE matchmatch criteria | cpe:2.3:a:symantec:protection_engine:7.8.0:*:*:*:*:*:*:* | ||
<= 2.0.3CPE matchmatch criteria | cpe:2.3:a:symantec:advanced_threat_protection:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.