CVE-2011-4122 describes a directory traversal vulnerability in OpenPAM before r478 on FreeBSD 8.1. This flaw allows local users to load arbitrary Dynamic Shared Objects (DSOs) and escalate privileges by manipulating the service_name argument in the pam_start function, specifically through a ".. " (dot dot) sequence. The vulnerability carries a CVSS score of 6.9, indicating a high severity. It requires local access and medium attack complexity, but successful exploitation can lead to complete compromise of confidentiality, integrity, and availability. While not listed on the CISA KEV catalog or Hot List, an exploit is publicly available on ExploitDB. Despite this, there is no evidence of active exploitation, and the vulnerability has garnered minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
8.1CPE matchmatch criteria | cpe:2.3:o:freebsd:freebsd:8.1:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:L/AC:M/Au:N/C:C/I:C/A:C
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.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.