Bug 1716909 (CVE-2019-12499) - CVE-2019-12499 firejail: file descriptors command execution
Summary: CVE-2019-12499 firejail: file descriptors command execution
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2019-12499
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1716910
Blocks:
TreeView+ depends on / blocked
 
Reported: 2019-06-04 11:38 UTC by Dhananjay Arunesh
Modified: 2019-09-29 15:14 UTC (History)
1 user (show)

Fixed In Version:
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Last Closed: 2019-06-10 10:56:48 UTC
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Description Dhananjay Arunesh 2019-06-04 11:38:47 UTC 
Firejail before 0.9.60 allows truncation (resizing to length 0) of the firejail binary on the host by running exploit code inside a firejail sandbox and having the sandbox terminated. To succeed, certain conditions need to be fulfilled: The jail (with the exploit code inside) needs to be started as root, and it also needs to be terminated as root from the host (either by stopping it ungracefully (e.g., SIGKILL), or by using the --shutdown control command). This is similar to CVE-2019-5736.

Reference:
https://github.com/netblue30/firejail/issues/2401
Comment 1 Dhananjay Arunesh 2019-06-04 11:39:38 UTC 
Created firejail tracking bugs for this issue:

Affects: fedora-all [bug 1716910]
Comment 2 Product Security DevOps Team 2019-06-10 10:56:48 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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