CVE-2011-1784
Summary
| CVE | CVE-2011-1784 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2011-05-20 22:55:04 UTC |
| Updated | 2026-04-29 01:13:23 UTC |
| Description | The pidfile_write function in core/pidfile.c in keepalived 1.2.2 and earlier uses 0666 permissions for the (1) keepalived.pid, (2) checkers.pid, and (3) vrrp.pid files in /var/run/, which allows local users to kill arbitrary processes by writing a PID to one of these files. |
Risk And Classification
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
PartialAvailability
PartialAV:L/AC:L/Au:N/C:N/I:P/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Keepalived | Keepalived | 0.2.1 | All | All | All |
| Application | Keepalived | Keepalived | 0.2.3 | All | All | All |
| Application | Keepalived | Keepalived | 0.2.6 | All | All | All |
| Application | Keepalived | Keepalived | 0.2.7 | All | All | All |
| Application | Keepalived | Keepalived | 0.3.5 | All | All | All |
| Application | Keepalived | Keepalived | 0.3.6 | All | All | All |
| Application | Keepalived | Keepalived | 0.3.7 | All | All | All |
| Application | Keepalived | Keepalived | 0.3.8 | All | All | All |
| Application | Keepalived | Keepalived | 0.4.8 | All | All | All |
| Application | Keepalived | Keepalived | 0.4.9 | All | All | All |
| Application | Keepalived | Keepalived | 0.4.9a | All | All | All |
| Application | Keepalived | Keepalived | 0.5.3 | All | All | All |
| Application | Keepalived | Keepalived | 0.5.5 | All | All | All |
| Application | Keepalived | Keepalived | 0.5.6 | All | All | All |
| Application | Keepalived | Keepalived | 0.5.7 | All | All | All |
| Application | Keepalived | Keepalived | 0.5.8 | All | All | All |
| Application | Keepalived | Keepalived | 0.5.9 | All | All | All |
| Application | Keepalived | Keepalived | 0.6.1 | All | All | All |
| Application | Keepalived | Keepalived | 0.6.10 | All | All | All |
| Application | Keepalived | Keepalived | 0.6.2 | All | All | All |
| Application | Keepalived | Keepalived | 0.6.3 | All | All | All |
| Application | Keepalived | Keepalived | 0.6.4 | All | All | All |
| Application | Keepalived | Keepalived | 0.6.5 | All | All | All |
| Application | Keepalived | Keepalived | 0.6.6 | All | All | All |
| Application | Keepalived | Keepalived | 0.6.7 | All | All | All |
| Application | Keepalived | Keepalived | 0.6.8 | All | All | All |
| Application | Keepalived | Keepalived | 0.6.9 | All | All | All |
| Application | Keepalived | Keepalived | 0.7.1 | All | All | All |
| Application | Keepalived | Keepalived | 0.7.6 | All | All | All |
| Application | Keepalived | Keepalived | 1.0.0 | All | All | All |
| Application | Keepalived | Keepalived | 1.0.1 | All | All | All |
| Application | Keepalived | Keepalived | 1.0.2 | All | All | All |
| Application | Keepalived | Keepalived | 1.0.3 | All | All | All |
| Application | Keepalived | Keepalived | 1.1.0 | All | All | All |
| Application | Keepalived | Keepalived | 1.1.1 | All | All | All |
| Application | Keepalived | Keepalived | 1.1.10 | All | All | All |
| Application | Keepalived | Keepalived | 1.1.11 | All | All | All |
| Application | Keepalived | Keepalived | 1.1.12 | All | All | All |
| Application | Keepalived | Keepalived | 1.1.13 | All | All | All |
| Application | Keepalived | Keepalived | 1.1.14 | All | All | All |
| Application | Keepalived | Keepalived | 1.1.15 | All | All | All |
| Application | Keepalived | Keepalived | 1.1.16 | All | All | All |
| Application | Keepalived | Keepalived | 1.1.17 | All | All | All |
| Application | Keepalived | Keepalived | 1.1.18 | All | All | All |
| Application | Keepalived | Keepalived | 1.1.19 | All | All | All |
| Application | Keepalived | Keepalived | 1.1.2 | All | All | All |
| Application | Keepalived | Keepalived | 1.1.20 | All | All | All |
| Application | Keepalived | Keepalived | 1.1.3 | All | All | All |
| Application | Keepalived | Keepalived | 1.1.4 | All | All | All |
| Application | Keepalived | Keepalived | 1.1.5 | All | All | All |
| Application | Keepalived | Keepalived | 1.1.6 | All | All | All |
| Application | Keepalived | Keepalived | 1.1.7 | All | All | All |
| Application | Keepalived | Keepalived | 1.1.8 | All | All | All |
| Application | Keepalived | Keepalived | 1.1.9 | All | All | All |
| Application | Keepalived | Keepalived | 1.2.0 | All | All | All |
| Application | Keepalived | Keepalived | 1.2.1 | All | All | All |
| Application | Keepalived | Keepalived | All | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Bug 704039 – CVE-2011-1784 keepalived: insecure permissions on pid files | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.redhat.com | |
| oss-security - CVE request: keepalived pid file permissions issue | af854a3a-2127-422b-91ae-364da2661108 | openwall.com | |
| #626281 - pid file has wrong permissions - Debian Bug report logs | af854a3a-2127-422b-91ae-364da2661108 | bugs.debian.org | |
| Re: World writable pid and lock files. | af854a3a-2127-422b-91ae-364da2661108 | lists.debian.org | |
| World writable pid and lock files. | af854a3a-2127-422b-91ae-364da2661108 | lists.debian.org | |
| oss-security - Re: CVE request: keepalived pid file permissions issue | af854a3a-2127-422b-91ae-364da2661108 | openwall.com | |
| keepalived Insecure PID Files Insecure File Permissions Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| keepalived Insecure PID Files Security Issue - Secunia.com | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | Vendor Advisory |
| IBM X-Force Exchange | af854a3a-2127-422b-91ae-364da2661108 | exchange.xforce.ibmcloud.com | |
| www.osvdb.org/72380 | af854a3a-2127-422b-91ae-364da2661108 | www.osvdb.org | |
| Re: World writable pid and lock files. | af854a3a-2127-422b-91ae-364da2661108 | lists.debian.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.