CVE-2012-4221 describes an integer overflow in the Qualcomm Innovation Center (QuIC) Diagnostics kernel-mode driver affecting Android versions 2.3 through 4.2. This vulnerability allows attackers to execute arbitrary code or cause a denial of service through crafted arguments in a local diagchar_ioctl call. With a CVSS score of 6.8, it is considered a medium-severity vulnerability, requiring medium attack complexity and potentially leading to partial confidentiality, integrity, and availability impacts. While there is no known public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has seen some community discussion and media coverage, including a report of the Rootnik Trojan leveraging a similar mechanism.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.3CPE matchmatch criteria | cpe:2.3:o:google:android:2.3:*:*:*:*:*:*:* | ||
2.3CPE matchmatch criteria | cpe:2.3:o:google:android:2.3:rev1:*:*:*:*:*:* | ||
2.3.1CPE matchmatch criteria | cpe:2.3:o:google:android:2.3.1:*:*:*:*:*:*:* | ||
2.3.2CPE matchmatch criteria | cpe:2.3:o:google:android:2.3.2:*:*:*:*:*:*:* | ||
2.3.3CPE matchmatch criteria | cpe:2.3:o:google:android:2.3.3:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.