CVE-2017-5567 is a code injection vulnerability affecting Avast Premier, Internet Security, Pro Antivirus, and Free Antivirus versions 12.3 and earlier. A local attacker can bypass Avast's self-protection mechanism by temporarily renaming registry keys, allowing them to inject arbitrary code and gain full control over Avast processes through a "DoubleAgent" attack. This vulnerability has a CVSS v3 score of 6.7 (Medium) due to its high impact on confidentiality, integrity, and availability, though it requires high privileges and local access. While there is no known active exploitation or public exploit code, the vulnerability has garnered significant community discussion and media coverage, indicating awareness within the security community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 12.3CPE matchmatch criteria | cpe:2.3:a:avast:free_antivirus:*:*:*:*:*:*:*:* | ||
<= 12.3CPE matchmatch criteria | cpe:2.3:a:avast:internet_security:*:*:*:*:*:*:*:* | ||
<= 12.3CPE matchmatch criteria | cpe:2.3:a:avast:premier:*:*:*:*:*:*:*:* | ||
<= 12.3CPE matchmatch criteria | cpe:2.3:a:avast:pro_antivirus:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.