CVE-2007-1189 describes an integer overflow in the envwrite function of the Alcatel-Lucent Bell Labs Plan 9 kernel, allowing local users to overwrite kernel memory. This vulnerability could lead to privilege escalation, demonstrated by modifying kernel functions to gain elevated access or grant unrestricted device permissions. With a CVSS score of 7.2, it is considered highly severe due to its local attack vector, low complexity, and complete impact on confidentiality, integrity, and availability. While not listed on the KEV catalog, an exploit is publicly available on ExploitDB, though there is no evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:bell_labs:plan_9:*:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:L/AC:L/Au:N/C:C/I:C/A:C
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 GitHub mentions.
No media coverage found for this CVE.
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.