Missing Authorization Affecting bash package, versions <0:4.2.46-34.amzn2
Snyk CVSS
Attack Complexity
Low
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.06% (27th
percentile)
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Test your applications- Snyk ID SNYK-AMZN2-BASH-1686086
- published 27 Sep 2021
- disclosed 22 Mar 2019
Introduced: 22 Mar 2019
CVE-2019-9924 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2
bash
to version 0:4.2.46-34.amzn2 or higher.
This issue was patched in ALAS2-2020-1503
.
NVD Description
Note: Versions mentioned in the description apply only to the upstream bash
package and not the bash
package as distributed by Amazon-Linux
.
See How to fix?
for Amazon-Linux:2
relevant fixed versions and status.
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
- https://security.netapp.com/advisory/ntap-20190411-0001/
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=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://lists.debian.org/debian-lts-announce/2019/03/msg00028.html
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00049.html
- https://usn.ubuntu.com/4058-1/
- https://usn.ubuntu.com/4058-2/