Strix
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CVE-2011-1784

UnknownEPSS 0.37%

Last modified

CVE-2011-1784 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.37%

28.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
KeepalivedKeepalived<= 1.2.2
KeepalivedKeepalived0.2.1
KeepalivedKeepalived0.2.3
KeepalivedKeepalived0.2.6
KeepalivedKeepalived0.2.7
KeepalivedKeepalived0.3.5
KeepalivedKeepalived0.3.6
KeepalivedKeepalived0.3.7
KeepalivedKeepalived0.3.8
KeepalivedKeepalived0.4.8
KeepalivedKeepalived0.4.9
KeepalivedKeepalived0.4.9a
KeepalivedKeepalived0.5.3
KeepalivedKeepalived0.5.5
KeepalivedKeepalived0.5.6
KeepalivedKeepalived0.5.7
KeepalivedKeepalived0.5.8
KeepalivedKeepalived0.5.9
KeepalivedKeepalived0.6.1
KeepalivedKeepalived0.6.2
KeepalivedKeepalived0.6.3
KeepalivedKeepalived0.6.4
KeepalivedKeepalived0.6.5
KeepalivedKeepalived0.6.6
KeepalivedKeepalived0.6.7
KeepalivedKeepalived0.6.8
KeepalivedKeepalived0.6.9
KeepalivedKeepalived0.6.10
KeepalivedKeepalived0.7.1
KeepalivedKeepalived0.7.6
KeepalivedKeepalived1.0.0
KeepalivedKeepalived1.0.1
KeepalivedKeepalived1.0.2
KeepalivedKeepalived1.0.3
KeepalivedKeepalived1.1.0
KeepalivedKeepalived1.1.1
KeepalivedKeepalived1.1.2
KeepalivedKeepalived1.1.3
KeepalivedKeepalived1.1.4
KeepalivedKeepalived1.1.5
KeepalivedKeepalived1.1.6
KeepalivedKeepalived1.1.7
KeepalivedKeepalived1.1.8
KeepalivedKeepalived1.1.9
KeepalivedKeepalived1.1.10
KeepalivedKeepalived1.1.11
KeepalivedKeepalived1.1.12
KeepalivedKeepalived1.1.13
KeepalivedKeepalived1.1.14
KeepalivedKeepalived1.1.15

Showing 50 of 57 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-1784?
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.
How severe is CVE-2011-1784?
Severity scoring for CVE-2011-1784 is pending analysis. The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.
How do I fix CVE-2011-1784?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-1784?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST