VulnerabilityModified
CVE-2019-9924
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.
HIGH 7.8EPSS 0.40%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.40% probability · 34th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-862
- Affected
- gnu/bash · debian/debian linux · opensuse/leap · netapp/hci management node · netapp/solidfire · canonical/ubuntu linux
- Source
- cve@mitre.org
References
- http://git.savannah.gnu.org/cgit/bash.git/tree/CHANGES?h=bash-4.4-testing#n65Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00049.htmlMailing List, Third Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/bash/+bug/1803441Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00028.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190411-0001/Third Party Advisory
- https://usn.ubuntu.com/4058-1/Third Party Advisory
- https://usn.ubuntu.com/4058-2/Third Party Advisory
- http://git.savannah.gnu.org/cgit/bash.git/tree/CHANGES?h=bash-4.4-testing#n65Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00049.htmlMailing List, Third Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/bash/+bug/1803441Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00028.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190411-0001/Third Party Advisory
- https://usn.ubuntu.com/4058-1/Third Party Advisory
- https://usn.ubuntu.com/4058-2/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.