Improper Input Validation The advisory has been revoked - it doesn't affect any version of package bash (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1804-BASH-611411
- published22 Mar 2019
- disclosed22 Mar 2019
Introduced: 22 Mar 2019
CVE-2019-9924 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:18.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream bash package and not the bash package as distributed by Ubuntu.
rbash in Bash before 4.4-beta2 did not prevent the shell user from modifying BASH_CMDS, thus allowing the user to execute any command with the permissions of the shell.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-9924
- https://lists.debian.org/debian-lts-announce/2019/03/msg00028.html
- https://security-tracker.debian.org/tracker/CVE-2019-9924
- http://git.savannah.gnu.org/cgit/bash.git/tree/CHANGES?h=bash-4.4-testing#n65
- https://bugs.launchpad.net/ubuntu/+source/bash/+bug/1803441
- https://security.netapp.com/advisory/ntap-20190411-0001/
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00049.html
- https://usn.ubuntu.com/4058-1/
- https://usn.ubuntu.com/4058-2/